10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the Quarterly Period Ended March 31, 2024

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the Transition Period From to

Commission File Number 0-21886

BARRETT BUSINESS SERVICES, INC.

(Exact name of registrant as specified in its charter)

Maryland	52-0812977
(State or other jurisdiction of Incorporation or organization)	(IRS Employer Identification No.)
8100 NE Parkway Drive, Suite 200
Vancouver, Washington	98662
(Address of principal executive offices)	(Zip Code)

(360) 828-0700

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, Par Value $0.01 Per Share	BBSI	The NASDAQ Stock Market LLC

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☒
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of April 17, 2024, 6,541,799 shares of the registrant’s common stock ($0.01 par value) were outstanding.

BARRETT BUSINESS SERVICES, INC.

INDEX TO FORM 10-Q

Part I - Financial Information (Unaudited)
		Page
Item 1.	Unaudited Interim Condensed Consolidated Financial Statements	3
	Condensed Consolidated Balance Sheets - March 31, 2024 and December 31, 2023	3
	Condensed Consolidated Statements of Operations - Three Months Ended March 31, 2024 and 2023	4
	Condensed Consolidated Statements of Comprehensive (Loss) Income - Three Months Ended March 31, 2024 and 2023	5
	Condensed Consolidated Statements of Stockholders’ Equity - Three Months Ended March 31, 2024	6
	Condensed Consolidated Statements of Stockholders’ Equity - Three Months Ended March 31, 2023	7
	Condensed Consolidated Statements of Cash Flows - Three Months Ended March 31, 2024 and 2023	8
	Notes to Condensed Consolidated Financial Statements	9
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	19
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	25
Item 4.	Controls and Procedures	25
Part II - Other Information
Item 1.	Legal Proceedings	26
Item 1A.	Risk Factors	26
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	26
Item 6.	Exhibits	27
Signatures		27

2

PART I – FINANCIAL INFORMATION

Item 1. Unaudited Interim Condensed Consolidated Financial Statements

Barrett Business Services, Inc.

Condensed Consolidated Balance Sheets

(Unaudited)

(In Thousands, Except Par Value)

	March 31,			December 31,
	2024			2023
ASSETS
Current assets:
Cash and cash equivalents	$	51,267		$	71,168
Investments		72,410			81,027
Trade accounts receivable, net		200,368			171,407
Income taxes receivable		7,727			7,987
Prepaid expenses and other		18,513			18,443
Restricted cash and investments		125,010			97,470
Total current assets		475,295			447,502
Property, equipment and software, net		51,222			50,295
Operating lease right-of-use assets		20,719			19,898
Restricted cash and investments		141,609			145,583
Goodwill		47,820			47,820
Other assets		6,346			6,222
Deferred income taxes		4,789			4,218
Total assets	$	747,800		$	721,538
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	5,697		$	6,593
Accrued payroll, payroll taxes and related benefits		256,061			234,080
Current operating lease liabilities		6,345			6,623
Current premium payable		65,820			35,276
Other accrued liabilities		7,516			10,674
Workers' compensation claims liabilities		46,555			50,006
Total current liabilities		387,994			343,252
Long-term workers' compensation claims liabilities		111,499			117,757
Long-term premium payable		33,435			37,812
Long-term operating lease liabilities		15,594			14,590
Customer deposits and other long-term liabilities		9,689			8,987
Total liabilities		558,211			522,398
Commitments and contingencies (Notes 4 and 6)
Stockholders' equity:
Common stock, $.01 par value; 20,500 shares authorized, 6,536    and 6,572 shares issued and outstanding		65			66
Additional paid-in capital		37,696			36,940
Accumulated other comprehensive loss		(22,297	)		(20,801	)
Retained earnings		174,125			182,935
Total stockholders' equity		189,589			199,140
Total liabilities and stockholders' equity	$	747,800		$	721,538

The accompanying notes are an integral part of these condensed consolidated financial statements.

3

Barrett Business Services, Inc.

Condensed Consolidated Statements of Operations

(Unaudited)

(In Thousands, Except Per Share Amounts)

	Three Months Ended
	March 31,
	2024			2023
Revenues:
Professional employer services	$	246,189		$	232,307
Staffing services		19,593			22,360
Total revenues		265,782			254,667
Cost of revenues:
Direct payroll costs		14,717			16,871
Payroll taxes and benefits		161,895			144,582
Workers' compensation		49,603			51,670
Total cost of revenues		226,215			213,123
Gross margin		39,567			41,544
Selling, general and administrative expenses		42,414			41,226
Depreciation and amortization		1,852			1,677
Loss from operations		(4,699	)		(1,359	)
Other income (expense):
Investment income, net		3,274			2,315
Interest expense		(44	)		(38	)
Other, net		66			36
Other income, net		3,296			2,313
(Loss) income before income taxes		(1,403	)		954
(Benefit from) provision for income taxes		(1,267	)		135
Net (loss) income	$	(136	)	$	819
Basic (loss) income per common share	$	(0.02	)	$	0.12
Weighted average number of basic common shares    outstanding		6,570			6,866
Diluted (loss) income per common share	$	(0.02	)	$	0.12
Weighted average number of diluted common    shares outstanding		6,570			6,985

The accompanying notes are an integral part of these condensed consolidated financial statements.

4

Barrett Business Services, Inc.

Condensed Consolidated Statements of Comprehensive (Loss) Income

(Unaudited)

(In Thousands)

	Three Months Ended
	March 31,
	2024			2023
Net (loss) income	$	(136	)	$	819
Unrealized (losses) gains on investments, net of tax of ($571) and $1,397 in 2024 and 2023, respectively		(1,496	)		3,652
Comprehensive (loss) income	$	(1,632	)	$	4,471

The accompanying notes are an integral part of these condensed consolidated financial statements.

5

Barrett Business Services, Inc.

Condensed Consolidated Statements of Stockholders’ Equity

Three Months Ended March 31, 2024

(Unaudited)

(In Thousands)

										Accumulated
							Additional			Other
	Common Stock						Paid-in			Comprehensive			Retained
	Shares			Amount			Capital			Loss			Earnings			Total
Balance, December 31, 2023		6,572		$	66		$	36,940		$	(20,801	)	$	182,935		$	199,140
Common stock issued on exercise of options,    purchase of ESPP shares and vesting of    restricted stock units and performance awards		35			—			376			—			—			376
Common stock repurchased on vesting of    restricted stock units and performance    awards		(12	)		—			(1,456	)		—			—			(1,456	)
Share-based compensation expense		—			—			2,187			—			—			2,187
Company repurchases of common stock		(59	)		(1	)		(351	)		—			(6,704	)		(7,056	)
Cash dividends on common stock ($0.30 per share)		—			—			—			—			(1,970	)		(1,970	)
Unrealized loss on investments, net of tax		—			—			—			(1,496	)		—			(1,496	)
Net loss		—			—			—			—			(136	)		(136	)
Balance, March 31, 2024		6,536		$	65		$	37,696		$	(22,297	)	$	174,125		$	189,589

The accompanying notes are an integral part of these condensed consolidated financial statements.

6

Barrett Business Services, Inc.

Condensed Consolidated Statements of Stockholders’ Equity

Three Months Ended March 31, 2023

(Unaudited)

(In Thousands)

										Accumulated
										Other
							Additional			Comprehensive
	Common Stock						Paid-in			(Loss)			Retained
	Shares			Amount			Capital			Income			Earnings			Total
Balance, December 31, 2022		6,871		$	69		$	32,744		$	(27,594	)	$	172,623		$	177,842
Common stock issued on exercise of options,    purchase of ESPP shares and vesting of    restricted stock units and performance awards		31			—			339			—			—			339
Common stock repurchased on vesting of    restricted stock units and performance    awards		(11	)		—			(1,005	)		—			—			(1,005	)
Share-based compensation expense		—			—			1,928			—			—			1,928
Company repurchases of common stock		(91	)		(1	)		(447	)		—			(7,582	)		(8,030	)
Cash dividends on common stock ($0.30 per share)		—			—			—			—			(2,067	)		(2,067	)
Unrealized gain on investments, net of tax		—			—			—			3,652			—			3,652
Net income		—			—			—			—			819			819
Balance, March 31, 2023		6,800		$	68		$	33,559		$	(23,942	)	$	163,793		$	173,478

The accompanying notes are an integral part of these condensed consolidated financial statements.

7

Barrett Business Services, Inc.

Condensed Consolidated Statements of Cash Flows

(Unaudited)

(In Thousands)

	Three Months Ended
	March 31,
	2024			2023
Cash flows from operating activities:
Net (loss) income	$	(136	)	$	819
Reconciliations of net (loss) income to net cash provided by    (used in) operating activities:
Depreciation and amortization		1,852			1,677
Non-cash lease expense		1,711			1,756
Net investment (accretion) amortization		(396	)		237
Share-based compensation		2,187			1,928
Changes in certain operating assets and liabilities:
Trade accounts receivable		(28,961	)		(24,175	)
Income taxes		260			112
Prepaid expenses and other		(70	)		(818	)
Accounts payable		(896	)		(2,880	)
Accrued payroll, payroll taxes and related benefits		22,048			13,944
Other accrued liabilities		(3,135	)		(1,224	)
Premium payable		26,167			(1,413	)
Workers' compensation claims liabilities		(9,835	)		(14,412	)
Operating lease liabilities		(1,806	)		(1,819	)
Other assets and liabilities, net		(11	)		(247	)
Net cash provided by (used in) operating activities		8,979			(26,515	)
Cash flows from investing activities:
Purchase of property, equipment and software		(2,779	)		(2,995	)
Proceeds from sales and maturities of investments		8,290			233
Purchase of restricted investments		(4,649	)		(1,725	)
Proceeds from sales and maturities of restricted investments		13,253			2,446
Net cash provided by (used in) investing activities		14,115			(2,041	)
Cash flows from financing activities:
Repurchases of common stock		(7,056	)		(8,030	)
Common stock repurchased on vesting of stock awards		(1,456	)		(1,005	)
Dividends paid		(1,970	)		(2,067	)
Proceeds from exercise of stock options and purchase of ESPP		376			339
Net cash used in financing activities		(10,106	)		(10,763	)
Net increase (decrease) in cash, cash equivalents and restricted cash		12,988			(39,319	)
Cash, cash equivalents and restricted cash, beginning of period		74,841			107,378
Cash, cash equivalents and restricted cash, end of period	$	87,829		$	68,059

The accompanying notes are an integral part of these condensed consolidated financial statements.

8

Barrett Business Services, Inc.

Notes to Condensed Consolidated Financial Statements

(Unaudited)

Note 1 - Basis of Presentation of Interim Period Statements

The accompanying condensed consolidated financial statements are unaudited and have been prepared by Barrett Business Services, Inc. (“BBSI”, the “Company”, “our” or “we”), pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and note disclosures typically included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) have been condensed or omitted pursuant to such rules and regulations. In the opinion of management, the condensed consolidated financial statements include all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the results for the interim periods presented. The accompanying condensed financial statements are prepared on a consolidated basis. All intercompany account balances and transactions have been eliminated in consolidation. The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and accompanying notes. Actual results may differ from such estimates and assumptions. The condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s 2023 Annual Report on Form 10-K at pages 33 - 61. The results of operations for an interim period are not necessarily indicative of the results of operations for a full year.

Revenue recognition

Professional employer (“PEO”) services are normally used by organizations to satisfy ongoing needs related to the management of human capital and are governed by the terms of a client services agreement which covers all employees at a particular work site. Staffing revenues relate primarily to short-term staffing, contract staffing and on-site management services. The Company’s performance obligations for PEO and staffing services are satisfied, and the related revenue is recognized, as services are rendered by our workforce.

Our PEO client service agreements have a minimum term of one year, are renewable on an annual basis and typically require 30 days’ written notice to cancel or terminate the contract by either party. In addition, our client service agreements provide for immediate termination upon any payment default of the client regardless of when notice is given. PEO customers are invoiced following the end of each payroll processing cycle, with payment generally due on the invoice date. Staffing customers are generally invoiced weekly based on agreed rates per employee and actual hours worked, typically with payment terms of 30 days. The amount of earned but unbilled revenue is classified as a receivable on the condensed consolidated balance sheets.

We report PEO revenues net of direct payroll costs because we are not the primary obligor for these payments to our clients’ employees. Direct payroll costs include salaries, wages, health insurance, and employee out-of-pocket expenses incurred incidental to employment.

Cost of revenues

Our cost of revenues for PEO services includes employer payroll-related taxes, workers’ compensation costs and employee benefits costs. Our cost of revenues for staffing services includes direct payroll costs, employer payroll-related taxes, and workers’ compensation costs. Direct payroll costs represent the gross payroll earned by staffing services employees based on salary or hourly wages. Payroll taxes and benefits consist of the employer’s portion of Social Security and Medicare taxes, federal and state unemployment taxes, and employee benefit costs, which primarily comprise health insurance premiums paid to third-party insurers and underwriting and benefit consultant payroll. Workers’ compensation costs consist primarily of premiums paid to third-party insurers, claims reserves, claims administration fees, legal fees, medical cost containment (“MCC”) expense, state administrative agency fees, third-party broker commissions, and risk manager payroll, as well as costs associated with operating our two wholly owned insurance companies, Associated Insurance Company for Excess (“AICE”) and Ecole Insurance Company (“Ecole”).

9

Cash and cash equivalents

We consider non-restricted short-term investments that are highly liquid, readily convertible into cash, and have maturities at acquisition of less than three months to be cash equivalents for purposes of the condensed consolidated statements of cash flows and condensed consolidated balance sheets. The Company maintains cash balances in bank accounts that normally exceed FDIC insured limits. The Company has not experienced any losses related to its cash concentration.

Investments

The Company classifies investments as available-for-sale. The Company’s investments are reported at fair value with unrealized gains and losses, net of taxes, shown as a component of accumulated other comprehensive income (loss) in stockholders’ equity. Investments are recorded as current on the condensed consolidated balance sheets as the invested funds are available for current operations. Management considers available evidence in evaluating potential impairment of investments, including the extent to which fair value is less than cost and adverse conditions related to the security. In the event of a credit loss, an allowance would be recognized to the extent that the fair value of the security is less than the present value of the expected future cash flows. Realized gains and losses on sales of investments are included in investment income in our condensed consolidated statements of operations.

Restricted cash and investments

The Company holds restricted cash and investments primarily for the future payment of insurance premiums and workers’ compensation claims. These investments are categorized as available-for-sale. They are reported at fair value with unrealized gains and losses, net of taxes, shown as a component of accumulated other comprehensive income (loss) in stockholders’ equity. Restricted cash and investments are classified as current and noncurrent on the condensed consolidated balance sheets based on the nature of the restriction. Management considers available evidence in evaluating potential impairment of restricted investments, including the extent to which fair value is less than cost and adverse conditions related to the security. In the event of a credit loss, an allowance would be recognized to the extent that the fair value of the security is less than the present value of the expected future cash flows. Realized gains and losses on sales of restricted investments are included in investment income in our condensed consolidated statements of operations.

Restricted cash and investments also includes investments held as part of the Company’s deferred compensation plan. These investments are classified as trading securities and are recorded at fair value with unrealized gains and losses reported as a component of income (loss) from operations.

Allowance for doubtful accounts

The Company had an allowance for doubtful accounts of $0.9 million at March 31, 2024 and December 31, 2023. We make estimates of the collectability of our accounts receivable for services provided to our customers based on future expected credit losses. Management analyzes historical bad debts, customer concentrations, customer credit-worthiness, current economic trends and changes in customers’ payment trends when evaluating the adequacy of the allowance for doubtful accounts. If the financial condition of our customers deteriorates resulting in an impairment of their ability to make payments, additional allowances may be required.

10

Workers’ compensation claims liabilities

Our workers’ compensation claims liabilities do not represent an exact calculation of liability but rather management’s best estimate, utilizing actuarial expertise and projection techniques, at a given reporting date. The estimated liability for open workers’ compensation claims is based on an evaluation of information provided by our third-party administrator for workers’ compensation claims, coupled with an actuarial estimate of future loss development with respect to reported claims and incurred but not reported claims (together, “IBNR”). Workers’ compensation claims liabilities include case reserve estimates for reported losses, plus additional amounts for estimated IBNR claims, MCC and legal costs, unallocated loss adjustment expenses and estimated future recoveries. The estimate of incurred costs expected to be paid within one year is included in current liabilities, while the estimate of incurred costs expected to be paid beyond one year is included in long-term liabilities on our condensed consolidated balance sheets. These estimates are reviewed at least quarterly and adjustments to estimated liabilities are reflected in current operating results as they become known.

The process of arriving at an estimate of unpaid claims and claims adjustment expense involves a high degree of judgment and is affected by both internal and external events, including changes in claims handling practices, changes in reserve estimation procedures, inflation, trends in the litigation and settlement of pending claims, and legislative changes.

Our estimates are based on actuarial analysis and informed judgment, derived from individual experience and expertise applied to multiple sets of data and analyses. We consider significant facts and circumstances known both at the time that loss reserves are initially established and as new facts and circumstances become known. Due to the inherent uncertainty underlying loss reserve estimates, the expenses incurred through final resolution of our liability for our workers’ compensation claims will likely vary from the related loss reserves at the reporting date. Therefore, as specific claims are paid out in the future, actual paid losses may be materially different from our current loss reserves.

A basic premise in most actuarial analyses is that historical data and past patterns demonstrated in the incurred and paid historical data form a reasonable basis upon which to project future outcomes, absent a material change. Significant structural changes to the available data can materially impact the reserve estimation process. To the extent a material change affecting the ultimate claim liability becomes known, such change is quantified to the extent possible through an analysis of internal Company data and, if available and when appropriate, external data. Nonetheless, actuaries exercise a considerable degree of judgment in the evaluation of these factors and the need for such actuarial judgment is more pronounced when faced with material uncertainties.

Customer deposits

We require deposits from certain PEO customers to cover a portion of our accounts receivable due from such customers in the event of default of payment.

Comprehensive income (loss)

Comprehensive income (loss) includes all changes in equity during a period except those that resulted from investments by or distributions to the Company’s stockholders.

Other comprehensive income (loss) refers to revenues, expenses, gains and losses that under U.S. generally accepted accounting principles (“GAAP”) are included in comprehensive income (loss), but excluded from net income (loss) as these amounts are recorded directly as an adjustment to stockholders’ equity. Our other comprehensive income (loss) comprises unrealized holding gains and losses on our available-for-sale investments.

Statements of cash flows

Interest paid during the three months ended March 31, 2024 and 2023 did not materially differ from interest expense. Income taxes paid by the Company during the three months ended March 31, 2024 and 2023 totaled $0.04 million and $0.01 million, respectively.

11

Bank deposits and other cash equivalents that are restricted for use are classified as restricted cash. The table below reconciles the cash, cash equivalents and restricted cash balances from our condensed consolidated balance sheets to the amounts reported on the condensed consolidated statements of cash flows (in thousands):

	March 31,		December 31,		March 31,		December 31,
	2024		2023		2023		2022
Cash and cash equivalents	$	51,267	$	71,168	$	52,635	$	91,423
Restricted cash, included in restricted cash and    investments		36,562		3,673		15,424		15,955
Total cash, cash equivalents and restricted cash    shown in the statements of cash flows	$	87,829	$	74,841	$	68,059	$	107,378

Basic and diluted earnings per share

Basic earnings per share are computed based on the weighted average number of common shares outstanding for each year using the treasury method. Diluted earnings per share reflect the potential effects of the issuance of shares in connection with the exercise of outstanding stock options, vesting of outstanding restricted stock units and performance share units, and the Company’s employee stock purchase plan. Basic and diluted shares outstanding are summarized as follows (in thousands):

	Three Months Ended
	March 31,
	2024		2023
Weighted average number of basic shares outstanding		6,570		6,866
Effect of dilutive securities		—		119
Weighted average number of diluted shares outstanding		6,570		6,985

As a result of the net loss for the three months ended March 31, 2024, 135,405 potential common shares have been excluded from the calculation of diluted loss per share because their effect would be anti-dilutive.

Accounting estimates

The preparation of our condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions. These affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements, and the reported amounts of revenues and expenses during the reporting periods. Management bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Estimates are used for fair value measurement of investments, allowance for doubtful accounts, deferred income taxes, carrying values for goodwill and property, equipment and software, and accrued workers’ compensation liabilities. Actual results may or may not differ from such estimates.

Reclassifications

To conform to the current period’s presentation, safety incentives liability of $1.3 million was reclassified to other accrued liabilities in the prior period condensed consolidated balance sheets, and net cash outflows related to safety incentives liability of $0.3 million was reclassified to other accrued liabilities in the prior period condensed consolidated statements of cash flows. Additionally, to conform the current period’s presentation to reclassifications made in 2023, net cash outflows associated with premiums payable to third party insurance carriers of $1.4 million were reclassified from other accrued liabilities to premium payable in the prior period condensed consolidated statements of cash flows.

12

Recent accounting pronouncements

The following Accounting Standards Updates (ASUs) have been recently issued by the Financial Accounting Standards Board (FASB).

ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures

In November 2023, the FASB issued ASU 2023-07, which expands annual and interim reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. All disclosure requirements under the new guidance are also required for public entities with a single reportable segment. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. The amendments should be applied retrospectively to all prior periods presented in the financial statements. We are evaluating the impact of applying this new accounting guidance to our financial statement disclosures.

ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures

In December 2023, the FASB issued ASU 2023-09, which requires disaggregated information about a reporting entity’s effective tax rate reconciliation as well as information on income taxes paid. The standard is intended to benefit investors by providing more detailed income tax disclosures that would be useful in making capital allocation decisions. The ASU applies to all entities subject to income taxes. The new requirements will be effective for annual periods beginning after December 15, 2024. The guidance will be applied on a prospective basis with the option to apply the standard retrospectively. Early adoption is permitted. We are evaluating the impact of applying this new accounting guidance to our income tax disclosures.

Note 2 - Fair Value Measurement

The following table summarizes the Company’s investments at March 31, 2024 and December 31, 2023 measured at fair value on a recurring basis (in thousands):

	March 31, 2024							December 31, 2023
			Gross							Gross
			Unrealized			Recorded				Unrealized			Recorded
			(Losses)							(Losses)
	Cost		Gains			Basis		Cost		Gains			Basis
Current:
Cash equivalents:
Money market funds	$	18,549	$	—		$	18,549	$	19,539	$	—		$	19,539
Total cash equivalents		18,549		—			18,549		19,539		—			19,539
Investments:
Corporate bonds		32,319		(3,123	)		29,196		34,472		(3,159	)		31,313
U.S. government agency securities		12,806		(395	)		12,411		12,830		(408	)		12,422
U.S. treasuries		12,451		(1,369	)		11,082		12,448		(1,253	)		11,195
Mortgage backed securities		12,908		(2,677	)		10,231		13,084		(2,454	)		10,630
Asset backed securities		9,647		(157	)		9,490		13,659		(187	)		13,472
Emerging markets		—		—			—		2,003		(8	)		1,995
Total current investments		80,131		(7,721	)		72,410		88,496		(7,469	)		81,027
Restricted cash and investments (1):
U.S. treasuries		125,052		(7,032	)		118,020		109,020		(6,415	)		102,605
Corporate bonds		82,816		(9,022	)		73,794		82,481		(8,454	)		74,027
Mortgage backed securities		42,418		(5,874	)		36,544		42,077		(5,216	)		36,861
U.S. government agency securities		16,854		(1,170	)		15,684		16,863		(1,199	)		15,664
Mutual funds		9,641		—			9,641		8,941		—			8,941
Asset backed securities		799		(2	)		797		799		—			799
Emerging markets		200		3			203		200		2			202
Money market funds		107		—			107		337		—			337
Total restricted cash and    investments		277,887		(23,097	)		254,790		260,718		(21,282	)		239,436
Total investments	$	376,567	$	(30,818	)	$	345,749	$	368,753	$	(28,751	)	$	340,002

(1) Included in restricted cash and investments within the condensed consolidated balance sheets as of March 31, 2024 and December 31, 2023 is restricted cash of $11.8 million and $3.6 million, respectively, which is excluded from the table above. Restricted cash and investments are classified as current and noncurrent on the balance sheet based on the nature of the restriction.

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The following table summarizes the Company’s investments at March 31, 2024 and December 31, 2023 measured at fair value on a recurring basis by fair value hierarchy level (in thousands):

	March 31, 2024								December 31, 2023
	Total								Total
	Recorded								Recorded
	Basis		Level 1		Level 2		Other (1)		Basis		Level 1		Level 2		Other (1)
Cash equivalents:
Money market funds	$	18,549	$	—	$	—	$	18,549	$	19,539	$	—	$	—	$	19,539
Investments:
Corporate bonds		29,196		—		29,196		—		31,313		—		31,313		—
U.S. government    agency securities		12,411		—		12,411		—		12,422		—		12,422		—
U.S. treasuries		11,082		—		11,082		—		11,195		—		11,195		—
Mortgage backed    securities		10,231		—		10,231		—		10,630		—		10,630		—
Asset backed securities		9,490		—		9,490		—		13,472		—		13,472		—
Emerging markets		—		—		—		—		1,995		—		1,995		—
Restricted cash and    investments:
U.S. treasuries		118,020		—		118,020		—		102,605		—		102,605		—
Corporate bonds		73,794		—		73,794		—		74,027		—		74,027		—
Mortgage backed    securities		36,544		—		36,544		—		36,861		—		36,861		—
U.S. government    agency securities		15,684		—		15,684		—		15,664		—		15,664		—
Mutual funds		9,641		9,641		—		—		8,941		8,941		—		—
Asset backed securities		797		—		797		—		799		—		799		—
Emerging markets		203		—		203		—		202		—		202		—
Money market funds		107		—		—		107		337		—		—		337
Total investments	$	345,749	$	9,641	$	317,452	$	18,656	$	340,002	$	8,941	$	311,185	$	19,876

(1) Investments in money market funds measured at fair value using the net asset value per share practical expedient are not subject to hierarchy level classification disclosure. The Company invests in money market funds that seek to maintain a stable net asset value. These investments include commingled funds that comprise high-quality short-term securities representing liquid debt and monetary instruments where the redemption value is likely to be the fair value. Redemption is permitted daily without written notice.

The following table summarizes the contractual maturities of the Company’s available-for-sale securities at March 31, 2024 and December 31, 2023. Actual maturities may differ from contractual maturities because borrowers may have the right to prepay obligations with or without prepayment penalties. The table also includes money market funds, which are classified as cash and cash equivalents on the Company’s consolidated balance sheets.

	March 31, 2024
(In thousands)	Less than 1 Year		Between 1 to 5 Years		Between 5 to 10 Years		After 10 Years		Total
U.S. treasuries	$	71,700	$	32,671	$	24,731		—	$	129,102
Corporate bonds		4,920		67,561		30,339		170		102,990
U.S. government agency securities		39		27,018		1,038		—		28,095
Money market funds		18,656		—		—		—		18,656
Asset backed securities		—		797		8,199		1,291		10,287
Emerging markets		—		—		203		—		203
Total	$	95,315	$	128,047	$	64,510	$	1,461	$	289,333
	December 31, 2023
(In thousands)	Less than 1 Year		Between 1 to 5 Years		Between 5 to 10 Years		After 10 Years		Total
U.S. treasuries	$	55,955	$	32,706	$	25,139	$	—	$	113,800
Corporate bonds		6,859		67,731		30,574		176		105,340
U.S. government agency securities		39		27,018		1,029		—		28,086
Money market funds		19,876		—		—		—		19,876
Asset backed securities		—		799		12,182		1,290		14,271
Emerging markets		1,995		—		202		—		2,197
Total	$	84,724	$	128,254	$	69,126	$	1,466	$	283,570

The average contractual maturity of mortgage backed securities, which are excluded from the table above, was 21 and 23 years as of March 31, 2024 and December 31, 2023, respectively.

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Note 3 – Workers’ Compensation Claims

The following table summarizes the aggregate workers’ compensation reserve activity (in thousands):

	Three Months Ended
	March 31,
	2024			2023
Beginning balance
Workers' compensation claims liabilities	$	167,763		$	215,987
Add: claims expense accrual
Current period		3,600			4,362
Prior periods		(2,992	)		(1,114	)
		608			3,248
Less: claim payments related to
Current period		954			180
Prior periods		9,489			17,480
		10,443			17,660
Change in claims incurred in excess of retention limits		126			66
Ending balance
Workers' compensation claims liabilities	$	158,054		$	201,641

Insured program

The Company provides workers’ compensation coverage for client employees primarily through arrangements with fully licensed, third-party insurers (the “insured program”). Under this program, carriers issue policies or afford coverage to the Company’s clients under a program maintained by the Company. Approximately 85% of the Company’s workers’ compensation exposure is covered through the insured program.

Effective July 1, 2021, the Company entered into a new arrangement for its insured program, whereby third-party insurers assumed all risk of loss for claims incurred from July 1, 2021 to June 30, 2022 (the “2021-2022 Policy”). The arrangement for the insured program was extended for claims incurred from July 1, 2022 to June 30, 2023 (the “2022-2023 Policy”) and for claims incurred from July 1, 2023 to June 30, 2024 (the “2023-2024 Policy”).

The 2021-2022 Policy, 2022-2023 Policy, and 2023-2024 Policy allow for premium adjustments depending on overall policy performance. If claims develop favorably, BBSI can participate in savings up to $20.0 million, $22.5 million, and $28.5 million for the 2021-2022 Policy, 2022-2023 Policy, and 2023-2024 Policy, respectively. If claims develop adversely, additional premium may be charged up to $7.5 million under the 2021-2022 Policy. No additional premiums may be charged if claims develop adversely under the 2022-2023 Policy and the 2023-2024 Policy.

For the above policies, premium amounts incurred but not paid are recorded as either current or long-term premium payable on the consolidated balance sheets based on the expected timing of the payments.

For claims incurred under the insured program prior to July 1, 2021, the Company retains risk of loss up to the first $3.0 million per occurrence on policies issued after June 30, 2020 and $5.0 million per occurrence on policies issued before that date.

Claim obligations for policies issued under the insured program between February 1, 2014 and June 30, 2018 were removed through loss portfolio transfers in 2020 and 2021.

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The following is a summary of the risk retained by the Company under its insured program after considering the effects of the loss portfolio transfers and current insurance arrangements:

Year	Claims risk retained
2014	No
2015	No
2016	No
2017	No
2018 (1)	No
2019 (1)	Yes
2020	Yes
2021 - Through June 30	Yes
2021 - July 1 and after	No
2022	No
2023	No
2024	No

(1) The loss portfolio transfers excluded approximately 10% of claims from 2018 and included an approximately offsetting amount of claims from 2019.

The Company is required to maintain minimum collateral levels for certain policies issued under the insured program, which is held in a trust account (the “trust account”). The balance in the trust account was $234.2 million and $210.9 million at March 31, 2024 and December 31, 2023, respectively. The trust account balance is included as a component of the current and long-term restricted cash and investments in the Company’s condensed consolidated balance sheets.

Self-insured programs

The Company is a self-insured employer with respect to workers' compensation coverage for all employees, including employees of PEO clients that elect to participate in our workers’ compensation program, working in Colorado, Maryland, Ohio, and Oregon. In the state of Washington, state law allows only the Company's staffing services and internal management employees to be covered under the Company's self-insured workers' compensation program. The Company also operates a wholly owned, fully licensed insurance company, Ecole, which provides workers’ compensation coverage to client employees working in Arizona and Utah. Approximately 15% of the Company’s workers’ compensation exposure is covered through self-insurance or Ecole (the “self-insured programs”).

For all claims incurred under the Company’s self-insured programs, the Company retains risk of loss up to the first $3.0 million per occurrence, except in Maryland and Colorado, where the Company’s retention per occurrence is $1.0 million and $2.0 million, respectively. For claims incurred under the Company’s self-insured programs prior to July 1, 2020, the Company retains risk of loss up to the first $5.0 million per occurrence, except in Maryland and Colorado, where the retention per occurrence is $1.0 million and $2.0 million, respectively.

The states of California, Maryland, Oregon, Washington, Colorado and Delaware required the Company to maintain collateral totaling $48.1 million at both March 31, 2024 and December 31, 2023 to cover potential workers’ compensation claims losses related to the Company’s current and former status as a self-insured employer. At March 31, 2024, the Company provided surety bonds totaling $48.1 million.

Claims liabilities

The Company provided a total of $158.1 million and $167.8 million at March 31, 2024 and December 31, 2023, respectively, as an estimated future liability for unsettled workers' compensation claims liabilities. Of this amount, $6.1 million and $6.0 million at March 31, 2024 and December 31, 2023, respectively, represent case reserves and IBNR in excess of the Company’s retention. The accrual for costs incurred in excess of retention limits is offset by a receivable from insurance carriers of $6.1 million and $6.0 million at March 31, 2024 and December 31, 2023, respectively, included in other assets in the condensed consolidated balance sheets.

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Note 4 - Revolving Credit Facility and Long-Term Debt

The Company maintains an agreement (the "Agreement") with Wells Fargo Bank, N.A. (the "Bank") for a revolving credit line of $50.0 million and a sublimit for standby letters of credit of $25.0 million. Advances under the revolving credit line bear interest, as selected by the Company, of (a) the daily Simple Secured Overnight Financing Rate (“SOFR”) plus 1.75% or (b) one-month Term SOFR plus 1.75%. The Agreement also provides for an unused commitment fee of 0.35% per year on the average daily unused amount of the revolving credit line, as well as a fee of 1.75% of the face amount of each letter of credit reserved under the line of credit. The Company had no outstanding borrowings on its revolving credit line at March 31, 2024 and December 31, 2023. The credit facility is collateralized by the Company’s accounts receivable and other rights to receive payment.

The Agreement requires the satisfaction of certain financial covenants as follows:

•adjusted free cash flow [net profit after taxes plus interest expense (net of capitalized interest), depreciation expense, and amortization expense, less dividends/distributions] not less than $10 million as of each fiscal quarter end, determined on a rolling 4-quarter basis; and

•tangible net worth [aggregate of total stockholders' equity plus subordinated debt less any intangible assets and less any loans or advances to, or investments in, any related entities or individuals] not less than $50 million at each fiscal quarter end.

The Agreement imposes certain additional restrictions unless the Bank provides its prior written consent as follows:

•incurring additional indebtedness is prohibited, other than purchase financing for the acquisition of assets, provided that the aggregate of all purchase financing does not exceed $1 million at any time;

•the Company may not terminate or cancel any of the AICE policies; and

•if an event of default would occur, and is continuing, including on a pro forma basis, no dividends or distributions would be permitted to be paid and redemptions and repurchases of the Company's stock would be permitted only up to $15 million in any rolling 12-month period.

The Agreement also contains customary events of default and specified cross-defaults under the Company's workers' compensation insurance arrangements. If an event of default under the Agreement occurs and is continuing, the Bank may declare any outstanding obligations under the Agreement to be immediately due and payable. At March 31, 2024, the Company was in compliance with all covenants.

Note 5 – Income Taxes

Under ASC 740, “Income Taxes,” management evaluates the realizability of the deferred tax assets on a quarterly basis under a “more-likely-than-not” standard. As part of this evaluation, management reviews all evidence both positive and negative to determine if a valuation allowance is needed. One component of this analysis is to determine whether the Company was in a cumulative loss position for the most recent 12 quarters. The Company was in a cumulative income position for the 12 quarters ended March 31, 2024.

The Company’s realization of a portion of net deferred tax assets is based in part on our estimates of the timing of reversals of certain temporary differences and on the generation of taxable income before such reversals.

The Company is subject to income taxes in U.S. federal and multiple state and local tax jurisdictions. The Internal Revenue Service (the "IRS") is examining the Company’s federal tax returns for the years ended December 31, 2017 through 2021. BBSI received notice that the IRS intends to disallow certain wage-based tax credits claimed for the years 2017 through 2020, which could result in estimated total additional taxes of $7.4 million and penalties of $1.7 million. Tax year 2021 remains under audit; disallowance of similar wage-based credits would result in additional estimated tax due of $0.6 million. The Company disagrees with the IRS determination to disallow certain wage-based credits taken by the Company and believes that the Company has the technical merits to defend its position. Based on management’s more-likely-than-not assessment that the position is sustainable, no reserve for the aforementioned IRS notices

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of disallowance of wage-based tax credits or underpayment penalties has been recorded in the financial statements.

In the major jurisdictions where it operates, the Company is generally no longer subject to income tax examinations by tax authorities for tax years before 2017. As of March 31, 2024 and December 31, 2023, total gross unrecognized tax benefits, excluding interest and penalties, of $0.5 million and $0.8 million, respectively, would affect the Company's effective tax rate if recognized in future periods. The Company does not anticipate any material changes to the reserve in the next 12 months.

A portion of the consolidated income the Company generates is not subject to state income tax. Depending on the percentage of this income as compared to total consolidated income, the Company's state effective tax rate could fluctuate from expectations.

At March 31, 2024, the Company had no state operating loss carryforwards. At March 31, 2024, the Company did not have a federal general business tax credit carryforward or an alternative minimum tax credit carryforward.

Note 6 – Litigation

On April 5, 2011, several individual plaintiffs filed a wage and hour class action in the California Superior Court, County of Fresno, naming as defendants their employer, a Merry Maids franchisee; BBSI, which was providing PEO services to the franchisee; and various parties related to the franchisor. Plaintiffs claimed, among other things, that BBSI and the franchisor were their joint employer with franchisee and therefore jointly responsible for the alleged wage and hour violations. The case was subsequently removed to the United States District Court for the Eastern District of California, and on January 18, 2019, the District Court certified a class of former non-exempt employees who resided in California and worked for the franchisee in certain positions during the period from April 6, 2007 through January 19, 2019. On November 30, 2020, the District Court granted BBSI’s motion for summary judgment to be removed from the case. Thereafter the plaintiffs appealed to the United States Court of Appeals for the Ninth Circuit, and on June 2, 2022, the Court of Appeals reversed the order granting summary judgment to BBSI. The court held that there is a triable issue of fact concerning whether or not BBSI was a joint-employer under applicable California law. BBSI intends to vigorously defend the claim, including continuing to assert its defense on the ground that it was not a joint-employer of plaintiffs. Given the uncertainties surrounding this litigation, management is unable to estimate a potential range of loss.

In addition to the matter above, BBSI is subject to other legal proceedings and claims that arise in the ordinary course of our business. There are significant uncertainties surrounding litigation. For all other cases not discussed above, management has recorded estimated liabilities totaling $0.1 million in other accrued liabilities in the condensed consolidated balance sheets.

Note 7 – Subsequent Events

We have evaluated events and transactions occurring after the balance sheet date through our filing date and noted no events that are subject to recognition or disclosure.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

General

Company Background Barrett Business Services, Inc. (“BBSI,” the “Company,” “our” or “we”), is a leading provider of business management solutions for small and mid-sized companies. The Company has developed a management platform that integrates a knowledge-based approach from the management consulting industry with tools from the human resource outsourcing industry. This platform, through the effective leveraging of human capital, helps our business owner clients run their businesses more effectively. We believe this platform, delivered through a decentralized organizational structure, differentiates BBSI from our competitors. BBSI was incorporated in Maryland in 1965.

Business Strategy Our strategy is to align local operations teams with the mission of small and mid-sized business owners, driving value to their business. To do so, BBSI:

•partners with business owners to leverage their investment in human capital through a high-touch, results-oriented approach;

•brings predictability to each client organization through a three-tiered management platform; and

•enables business owners to focus on their core business by reducing organizational complexity and maximizing productivity.

Business Organization We operate a decentralized delivery model using operationally focused business teams, typically located within 50 miles of our client companies. These teams are led by experienced business generalists and include senior-level professionals with expertise in human resources, organizational development, risk mitigation and workplace safety, recruiting, employee benefits, and various types of administration, including payroll. These teams are responsible for growth and profitability of their operations, and for providing strategic leadership, guidance and expert consultation to our client companies. The decentralized structure fosters autonomous decision-making in which business teams deliver plans that closely align with the objectives of each business owner client. We support clients with a local presence in 68 markets throughout the United States.

Services Overview BBSI’s core purpose is to advocate for business owners, particularly in the small and mid-sized business segment. Our evolution from an entrepreneurially run company to a professionally managed organization has helped to form our view that all businesses experience inflection points at key stages of growth. The insights gained through our own growth, along with the trends we see in working with more than 8,000 companies each day, define our approach to guiding business owners through the challenges associated with being an employer. BBSI’s business teams align with each business owner client through a structured three-tiered progression. In doing so, business teams focus on the objectives of each business owner and deliver planning, guidance and resources in support of those objectives.

Tier 1: Tactical Alignment

The first stage focuses on the mutual setting of expectations and is essential to a successful client relationship. It begins with a process of assessment and discovery in which the business owner’s business objectives, attitudes, and culture are aligned with BBSI’s processes, controls and culture. This stage includes an implementation process, which addresses the administrative components of employment.

Tier 2: Dynamic Relationship

The second stage of the relationship emphasizes organizational development as a means of achieving each client’s business objectives. There is a focus on process improvement, development of best practices, supervisor training and leadership development.

Tier 3: Strategic Counsel

With an emphasis on advocacy on behalf of the business owner, the third stage of the relationship is more strategic and forward-looking with a goal of cultivating an environment in which all efforts are directed by the mission and long-term objectives of the business owner.

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In addition to serving as a resource and guide, BBSI can provide workers’ compensation coverage as a means of meeting statutory requirements and protecting our clients from employment-related injury claims. Through our third-party administrators, we provide claims management services for our clients. We work to manage and reduce job injury claims, identify fraudulent claims and structure optimal work programs, including modified duty.

In 2023, BBSI began offering employee benefit programs to our clients. The employee benefit programs are designed to provide strategic value to our clients through access to best-in-class plans and service. Benefit plans available to clients include medical, dental and vision plans, flexible spending accounts and health savings accounts, life insurance and voluntary accident coverage, and critical illness and disability coverage, among others.

Results of Operations

The following table sets forth the percentages of total revenues represented by selected items in the Company’s condensed consolidated statements of operations for the three months ended March 31, 2024 and 2023 ($ in thousands):

	Percentage of Total Net Revenues
	Three Months Ended
	March 31,
	2024						2023
Revenues:
Professional employer services	$	246,189		92.6		%	$	232,307		91.2		%
Staffing services		19,593		7.4				22,360		8.8
Total revenues		265,782		100.0				254,667		100.0
Cost of revenues:
Direct payroll costs		14,717		5.5				16,871		6.6
Payroll taxes and benefits		161,895		60.9				144,582		56.8
Workers’ compensation		49,603		18.7				51,670		20.3
Total cost of revenues		226,215		85.1				213,123		83.7
Gross margin		39,567		14.9				41,544		16.3
Selling, general and administrative    expenses		42,414		16.0				41,226		16.2
Depreciation and amortization		1,852		0.7				1,677		0.7
Loss from operations		(4,699	)	(1.8	)			(1,359	)	(0.6	)
Other income, net		3,296		1.2				2,313		0.9
(Loss) income before income taxes		(1,403	)	(0.6	)			954		0.3
(Benefit from) provision for income taxes		(1,267	)	(0.5	)			135		0.1
Net (loss) income	$	(136	)	(0.1	)	%	$	819		0.2		%

We report PEO revenues net of direct payroll costs because we are not the primary obligor for wage payments to our clients’ employees. However, management believes that gross billings and wages are useful in understanding the volume of our business activity and serve as an important performance metric in managing our operations, including the preparation of internal operating forecasts and establishing executive compensation performance goals. We therefore present for purposes of analysis gross billings and wage information for the three months ended March 31, 2024 and 2023.

	(Unaudited)
	Three Months Ended
	March 31,
(in thousands)	2024		2023
Gross billings	$	1,907,549	$	1,789,218
PEO and staffing wages	$	1,656,443	$	1,551,352

In monitoring and evaluating the performance of our operations, management also reviews the following ratios, which represent selected amounts as a percentage of gross billings. Management believes these ratios are useful in understanding the efficiency and profitability of our service offerings.

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	(Unaudited)
	Percentage of Gross Billings
	Three Months Ended
	March 31,
	2024	2023
PEO and staffing wages	86.8%	86.7%
Payroll taxes and benefits	8.5%	8.1%
Workers' compensation	2.6%	2.9%
Gross margin	2.1%	2.3%

The presentation of revenue on a net basis and the relative contributions of PEO and staffing services revenue can create volatility in our gross margin as a percentage of revenue. Generally, a relative increase in PEO services revenue will result in a higher gross margin as a percentage of revenue. Improvement in gross margin percentage occurs because incremental client services revenue dollars are reported as revenue net of all related direct payroll costs.

We refer to employees of our PEO clients as worksite employees (“WSEs”). Management reviews average and ending WSE growth to monitor and evaluate the performance of our operations. Average WSEs are calculated by dividing the number of unique individuals paid in each month by the number of months in the period. Ending WSEs represents the number of unique individuals paid in the last month of the period.

	(Unaudited)
	Three Months Ended
	March 31,
	2024		% Change	2023		% Change
Average WSEs		123,050	3.1%		119,313	2.7%
Ending WSEs		124,785	2.8%		121,363	2.9%

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Three Months Ended March 31, 2024 and 2023

Net loss for the first quarter of 2024 amounted to $0.1 million compared to net income of $0.8 million for the first quarter of 2023. Diluted net loss per share for the first quarter of 2024 was $0.02 compared to diluted net income per share of $0.12 for the first quarter of 2023.

Revenue for the first quarter of 2024 totaled $265.8 million, an increase of $11.1 million or 4.4% over the first quarter of 2023, which reflects an increase in the Company’s PEO services revenue of $13.9 million or 6.0% and a decrease in staffing services revenue of $2.8 million or 12.4%.

The increase in PEO services revenue was primarily attributable to an increase in average number of WSEs as well as an increase in average billing per WSE.

Gross margin for the first quarter of 2024 totaled $39.6 million or 14.9% of revenue compared to $41.5 million or 16.3% of revenue for the first quarter of 2023. The separate components of gross margin are discussed below.

Direct payroll costs for the first quarter of 2024 totaled $14.7 million or 5.5% of revenue compared to $16.9 million or 6.6% of revenue for the first quarter of 2023. The decrease in direct payroll costs as a percentage of revenues was primarily due to a decrease in staffing services within the mix of our customer base compared to the first quarter of 2023.

Payroll taxes and benefits for the first quarter of 2024 totaled $161.9 million or 60.9% of revenue compared to $144.6 million or 56.8% of revenue for the first quarter of 2023. The increase in payroll taxes and benefits expense as a percentage of revenue was primarily due to higher average payroll tax rates in the first quarter of 2024 and PEO client benefit costs of $6.6 million in the first quarter of 2024 compared to $1.4 million in the first quarter of 2023.

Workers’ compensation expense for the first quarter of 2024 totaled $49.6 million or 18.7% of revenue compared to $51.7 million or 20.3% of revenue for the first quarter of 2023. The decrease in workers’ compensation expense as a percentage of revenue was primarily due to favorable prior year liability and premium adjustments of $3.0 million in the first quarter of 2024, compared to favorable prior year liability and premium adjustments of $1.1 million in the first quarter of 2023.

Selling, general and administrative (“SG&A”) expenses for the first quarter of 2024 totaled $42.4 million or 16.0% of revenue compared to $41.2 million or 16.2% of revenue for the first quarter of 2023. The decrease as a percentage of revenue was primarily the result of decreased employee-related costs as a percentage of revenue.

Other income, net for the first quarter of 2024 totaled $3.3 million compared to other income, net of $2.3 million for the first quarter of 2023. The increase was primarily attributable to an increase in investment income in the first quarter of 2024.

Our effective income tax rate for the first quarter of 2024 was 90.3% compared to 14.2% for the first quarter of 2023. Our income tax rate typically differs from the federal statutory tax rate of 21% primarily due to state taxes as well as federal and state tax credits.

Fluctuations in Quarterly Operating Results

We have historically experienced significant fluctuations in our quarterly operating results, including losses or minimal income in the first quarter of each year, and expect such fluctuations to continue in the future. Our operating results may fluctuate due to a number of factors such as seasonality, wage limits on statutory payroll taxes, claims experience for workers’ compensation, demand for our services, and competition. Payroll taxes, as a component of cost of revenues, generally decline throughout a calendar year as the applicable statutory wage bases for federal and state unemployment taxes and Social Security taxes are exceeded on a per employee basis. Our revenue levels may be higher in the third quarter due to the effect of increased business activity of our customers’ businesses in the agriculture, food processing and forest products-related industries. In addition, revenues in the fourth quarter may be reduced by many customers’ practice of operating on holiday-shortened schedules. Workers’ compensation expense varies with both the frequency and severity of workplace injury claims reported during a quarter and the estimated future costs of such claims. In addition, positive or adverse loss

22

development of prior period claims during a subsequent quarter may also contribute to the volatility in the Company’s estimated workers’ compensation expense.

Liquidity and Capital Resources

The Company’s cash balance of $87.8 million, which includes cash, cash equivalents, and restricted cash, increased $13.0 million for the three months ended March 31, 2024, compared to a decrease of $39.3 million for the comparable period of 2023. The increase in cash at March 31, 2024 as compared to December 31, 2023 was primarily due to increased premium payable, increased accrued payroll, payroll taxes and related benefits, and proceeds from sales and maturities of restricted and unrestricted cash and investments, partially offset by increased trade accounts receivable, decreased workers’ compensation claims liabilities, repurchases of common stock, and purchases of investments and restricted investments.

Net cash provided by operating activities for the three months ended March 31, 2024 amounted to $9.0 million, compared to cash used of $26.5 million for the comparable period of 2023. For the three months ended March 31, 2024, net cash provided by operating activities was primarily due to increased premium payable of $26.2 million and increased accrued payroll, payroll taxes and related benefits of $22.0 million, partially offset by increased trade accounts receivable of $29.0 million and decreased workers’ compensation claims liabilities of $9.8 million.

Net cash provided by investing activities for the three months ended March 31, 2024 totaled $14.1 million, compared to cash used of $2.0 million for the comparable period of 2023. For the three months ended March 31, 2024, net cash provided by investing activities consisted of proceeds from sales and maturities of investments and restricted investments of $21.5 million, partially offset by purchases of restricted investments of $4.6 million and purchases of property, equipment and software of $2.8 million.

Net cash used in financing activities for the three months ended March 31, 2024 was $10.1 million, compared to cash used of $10.8 million for the comparable period of 2023. For the three months ended March 31, 2024, net cash used in financing activities primarily consisted of repurchases of common stock of $7.1 million and dividend payments of $2.0 million.

The Company is required to maintain minimum collateral levels for certain policies issued under the insured program, which is held in a trust account (the “trust account”). The balance in the trust account was $234.2 million and $210.9 million at March 31, 2024 and December 31, 2023, respectively. The trust account balance is included as a component of the current and long-term restricted cash and investments in the Company’s condensed consolidated balance sheets.

See “Note 4 – Revolving Credit Facility and Long-Term Debt” to the unaudited condensed consolidated financial statements included in Item 1 of Part I of this report for additional information regarding the Company’s credit agreement with Wells Fargo Bank, N.A.

23

Forward-Looking Information

Statements in this report include forward-looking statements which are not historical in nature and are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, among others, discussion of economic conditions in our market areas and their effect on revenue levels, the lingering effects of the COVID-19 pandemic on our business operations, the competitiveness of our service offerings, the availability of certain fully insured medical and other health and welfare benefits to qualifying worksite employees, our ability to attract and retain clients and to achieve revenue growth, the effect of changes in our mix of services on gross margin, labor market conditions, the adequacy of our workers’ compensation reserves, the effect of changes in estimates of our future claims liabilities on our workers’ compensation reserves, including the effect of changes in our reserving practices and claims management process on our actuarial estimates, expected levels of required surety deposits and letters of credit, our ability to generate sufficient taxable income in the future to utilize our deferred tax assets, the effect of our formation and operation of two wholly owned licensed insurance subsidiaries, the risks of operation and cost of our insured program, the financial viability of our excess insurance carriers, the effectiveness of our management information systems, our relationship with our primary bank lender and the availability of financing and working capital to meet our funding requirements, litigation costs, the effect of changes in the interest rate environment on the value of our investment securities, the adequacy of our allowance for doubtful accounts, and the potential for and effect of acquisitions.

All our forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause the actual results, performance or achievements of the Company or industry to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Such factors with respect to the Company include: our ability to retain current clients and attract new clients; difficulties associated with integrating clients into our operations; economic trends in our service areas; the potential for material deviations from expected future workers’ compensation claims experience; changes in the workers’ compensation regulatory environment in our primary markets; security breaches or failures in the Company’s information technology systems; collectability of accounts receivable; changes in executive management; changes in effective payroll tax rates and federal and state income tax rates; the carrying values of deferred income tax assets and goodwill (which may be affected by our future operating results); the effects of inflation on our operating expenses and those of our clients; the impact of and potential changes to the Patient Protection and Affordable Care Act, escalating medical costs, and other health care legislative initiatives on our business; the effect of conditions in the global capital markets on our investment portfolio; and the availability of capital, borrowing capacity on our revolving credit facility, or letters of credit necessary to meet state-mandated surety deposit requirements for maintaining our status as a qualified self-insured employer for workers’ compensation coverage or our insured program. Additional risk factors affecting our business are discussed in Item 1A of Part I of our Annual Report on Form 10-K for the year ended December 31, 2023, which was filed with the SEC on March 1, 2024. We disclaim any obligation to publicly announce any revisions to any of the forward-looking statements contained herein to reflect future events or developments.

24

Item 3. Quantitative and Qualitative Disclosures About Market Risk

The Company’s exposure to market risk for changes in interest rates primarily relates to its investment portfolio and outstanding borrowings on its line of credit. The Company's investments and restricted investments, which are classified as available-for-sale, consist primarily of fixed-rate debt securities, the fair value of which fluctuates with prevailing interest rates. Our cash equivalents consist primarily of money market funds, which are not meaningfully impacted by interest rate risk. We attempt to limit our investment portfolio's exposure to market risk through low investment turnover and diversification. Based on the Company’s overall interest exposure at March 31, 2024, a 50 basis point increase in market interest rates would have a $4.8 million downward effect on the fair value of the Company’s investment portfolio. Outstanding borrowings on the Company's line of credit bear interest at a variable market rate, which makes the cost of borrowing on the line of credit susceptible to changing interest rates. At March 31, 2024, the Company had no outstanding borrowings on its line of credit.

Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Management is responsible for establishing and maintaining adequate internal control over financial reporting (“ICFR”) as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act. Our ICFR is a process designed by, or under the supervision of, our Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”), to provide reasonable assurance regarding the reliability of financial reporting and the preparation of our condensed consolidated financial statements for external purposes in accordance with GAAP.

We maintain “disclosure controls and procedures” that are designed with the objective of providing reasonable assurance that information required to be disclosed in the reports we file or submit under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), is recorded, processed, summarized, and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to our management, including our CEO and CFO, as appropriate, to allow timely decisions regarding required disclosure. In designing and evaluating our disclosure controls and procedures, our management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and our management is required to apply their judgment in evaluating the cost-benefit relationship of possible controls and procedures.

Based on their evaluation, the Company’s CEO and CFO have concluded that the Company’s disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) were effective as of March 31, 2024.

Changes in Internal Control over Financial Reporting

There have been no changes in the Company’s internal control over financial reporting that occurred during the quarter ended March 31, 2024 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

Inherent Limitations

Control systems, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control systems’ objectives are being met. Further, the design of any control systems must reflect the fact that there are resource constraints, and the benefits of all controls must be considered relative to their costs. Due to the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the Company have been detected. These inherent limitations include the realities that judgments in decision making can be faulty and that breakdowns can occur because of simple errors or mistakes. Control systems can also be circumvented by the individual acts of some persons, by collusion of two or more people, or by management override of the controls. The design of any system of controls is based in part on certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Over time, controls may become inadequate because of changes in conditions or deterioration in the degree of compliance with policies or procedures.

25

PART II-OTHER INFORMATION

Item 1. Legal Proceedings

Refer to “Note 6 - Litigation," to the condensed consolidated financial statements included in Part I, Item 1 of this report for information regarding legal proceedings in which we are involved.

Item 1A. Risk Factors

There have been no material changes in the risk factors that were included in our Annual Report on Form 10-K for the year ended December 31, 2023, which was filed with the SEC on March 1, 2024.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

The following table summarizes information related to stock repurchases during the quarter ended March 31, 2024.

Month	Total Number of Shares Repurchased		Average Price Paid Per Share		Total Number of Shares Repurchased as Part of Publicly Announced Plan (1)		Approximate Dollar Value of Shares that May Yet Be Repurchased Under the Plan (in thousands) (1)
January		8,500	$	112.28		8,500	$	58,027
February		—		—		—		58,027
March		50,377		121.11		50,377		51,926
Total		58,877				58,877

(1) On July 31, 2023, the Board of Directors authorized the repurchase of up to $75.0 million of the Company’s common stock over a two-year period beginning July 31, 2023. The new repurchase program replaces the program approved in February 2022. As of March 31, 2024, the Company had repurchased 220,077 shares at an aggregate purchase price of $23.1 million under the new repurchase program.

26

Item 6. Exhibits

31.1	Certification of Chief Executive Officer pursuant to Rule 13a-14(a).
31.2	Certification of Chief Financial Officer pursuant to Rule 13a-14(a).
32*	Certification pursuant to 18 U.S.C. Section 1350.
101.INS	Inline XBRL Instance Document- the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH	Inline XBRL Taxonomy Extension Schema Document
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document
104	The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2024, has been formatted in Inline XBRL.

*Furnished, not filed.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	BARRETT BUSINESS SERVICES, INC.
	Registrant
Date: May 1, 2024	By:	/s/ Anthony J. Harris
		Anthony J. Harris
		Executive Vice President and Chief Financial Officer and Treasurer

27

EX-31.1

EXHIBIT 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Gary E. Kramer, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of Barrett Business Services, Inc.;

2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;

3.Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this quarterly report;

4.The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

a.designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;

b.designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this quarterly report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report, based on such evaluation; and

d.disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the registrant’s most-recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

a.all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

b.any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date: May 1, 2024	/s/ Gary E. Kramer
	Gary E. Kramer
	Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Anthony J. Harris, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of Barrett Business Services, Inc.;

2.Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;

3.Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this quarterly report;

4.The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

a.designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;

b.designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this quarterly report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report, based on such evaluation; and

d.disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the registrant’s most-recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

a.all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

b.any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date: May 1, 2024	/s/ Anthony J. Harris
	Anthony J. Harris
	Chief Financial Officer

EX-32

EXHIBIT 32

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

In connection with the Quarterly Report of Barrett Business Services, Inc. (the “Company”) on Form 10-Q for the period ended March 31, 2024 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned certify, pursuant to 18 U.S.C. § 1350, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Gary E. Kramer	/s/ Anthony J. Harris
Gary E. Kramer	Anthony J. Harris
Chief Executive Officer	Chief Financial Officer
May 1, 2024	May 1, 2024

A signed original of this written statement required by Section 906 has been provided to Barrett Business Services, Inc. and will be retained by Barrett Business Services, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.

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Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2024	Apr. 17, 2024
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Trading Symbol	BBSI
Entity Registrant Name	BARRETT BUSINESS SERVICES, INC.
Entity Central Index Key	0000902791
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Current Reporting Status	Yes
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		6,541,799
Entity Interactive Data Current	Yes
Title of 12(b) Security	Common Stock, Par Value $0.01 Per Share
Security Exchange Name	NASDAQ
Entity Incorporation, State or Country Code	MD
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	0-21886
Entity Tax Identification Number	52-0812977
Entity Address, Address Line One	8100 NE Parkway Drive
Entity Address, Address Line Two	Suite 200
Entity Address, City or Town	Vancouver
Entity Address, State or Province	WA
Entity Address, Postal Zip Code	98662
City Area Code	360
Local Phone Number	828-0700

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Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 51,267	$ 71,168
Investments	72,410	81,027
Trade accounts receivable, net	200,368	171,407
Income taxes receivable	7,727	7,987
Prepaid expenses and other	18,513	18,443
Restricted cash and investments	125,010	97,470
Total current assets	475,295	447,502
Property, equipment and software, net	51,222	50,295
Operating lease right-of-use assets	20,719	19,898
Restricted cash and investments	141,609	145,583
Goodwill	47,820	47,820
Other assets	6,346	6,222
Deferred income taxes	4,789	4,218
Total assets	747,800	721,538
Current liabilities:
Accounts payable	5,697	6,593
Accrued payroll, payroll taxes and related benefits	256,061	234,080
Current operating lease liabilities	6,345	6,623
Current premium payable	65,820	35,276
Other accrued liabilities	7,516	10,674
Workers' compensation claims liabilities	46,555	50,006
Total current liabilities	387,994	343,252
Long-term workers' compensation claims liabilities	111,499	117,757
Long-term premium payable	33,435	37,812
Long-term operating lease liabilities	15,594	14,590
Customer deposits and other long-term liabilities	9,689	8,987
Total liabilities	558,211	522,398
Commitments and contingencies (Notes 4 and 6)
Stockholders' equity:
Common stock, $.01 par value; 20,500 shares authorized, 6,536 and 6,572 shares issued and outstanding	65	66
Additional paid-in capital	37,696	36,940
Accumulated other comprehensive loss	(22,297)	(20,801)
Retained earnings	174,125	182,935
Total stockholders' equity	189,589	199,140
Total liabilities and stockholders' equity	$ 747,800	$ 721,538

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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,500,000	20,500,000
Common stock, shares issued	6,536,000	6,572,000
Common stock, shares outstanding	6,536,000	6,572,000

XML

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues:
Total revenues	$ 265,782	$ 254,667
Cost of revenues:
Total cost of revenues	226,215	213,123
Gross margin	39,567	41,544
Selling, general and administrative expenses	42,414	41,226
Depreciation and amortization	1,852	1,677
Loss from operations	(4,699)	(1,359)
Other income (expense):
Investment income, net	3,274	2,315
Interest expense	(44)	(38)
Other, net	66	36
Other income, net	3,296	2,313
(Loss) income before income taxes	(1,403)	954
(Benefit from) provision for income taxes	(1,267)	135
Net (loss) income	$ (136)	$ 819
Basic (loss) income per common share	$ (0.02)	$ 0.12
Weighted average number of basic common shares outstanding	6,570	6,866
Diluted (loss) income per common share	$ (0.02)	$ 0.12
Weighted average number of diluted common shares outstanding	6,570	6,985
Professional Employer Services [Member]
Revenues:
Total revenues	$ 246,189	$ 232,307
Staffing Services [Member]
Revenues:
Total revenues	19,593	22,360
Direct Payroll Costs [Member]
Cost of revenues:
Total cost of revenues	14,717	16,871
Payroll Taxes and Benefits [Member]
Cost of revenues:
Total cost of revenues	161,895	144,582
Workers' Compensation [Member]
Cost of revenues:
Total cost of revenues	$ 49,603	$ 51,670

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Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (136)	$ 819
Unrealized (losses) gains on investments, net of tax of ($571) and $1,397 in 2024 and 2023, respectively	(1,496)	3,652
Comprehensive (loss) income	$ (1,632)	$ 4,471

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Condensed Consolidated Statements of Comprehensive (Loss) Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Unrealized (losses) gains on investments, tax	$ (571)	$ 1,397

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Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
Beginning Balance at Dec. 31, 2022	$ 177,842	$ 69	$ 32,744	$ (27,594)	$ 172,623
Beginning Balance, shares at Dec. 31, 2022		6,871
Common stock issued on exercise of options, purchase of ESPP shares and vesting of restricted stock units and performance awards	339		339
Common stock issued on exercise of options, purchase of ESPP shares and vesting of restricted stock units and performance awards, shares		31
Common stock repurchased on vesting of restricted stock units and performance awards	(1,005)		(1,005)
Common stock repurchased on vesting of restricted stock units and performance awards, shares		(11)
Share-based compensation expense	1,928		1,928
Company repurchases of common stock	(8,030)	$ (1)	(447)		(7,582)
Company repurchases of common stock, shares		(91)
Cash dividends on common stock	(2,067)				(2,067)
Unrealized gain (loss) on investments, net of tax	3,652			3,652
Net (loss) income	819				819
Ending Balance at Mar. 31, 2023	173,478	$ 68	33,559	(23,942)	163,793
Ending Balance, shares at Mar. 31, 2023		6,800
Beginning Balance at Dec. 31, 2023	199,140	$ 66	36,940	(20,801)	182,935
Beginning Balance, shares at Dec. 31, 2023		6,572
Common stock issued on exercise of options, purchase of ESPP shares and vesting of restricted stock units and performance awards	376		376
Common stock issued on exercise of options, purchase of ESPP shares and vesting of restricted stock units and performance awards, shares		35
Common stock repurchased on vesting of restricted stock units and performance awards	(1,456)		(1,456)
Common stock repurchased on vesting of restricted stock units and performance awards, shares		(12)
Share-based compensation expense	2,187		2,187
Company repurchases of common stock	(7,056)	$ (1)	(351)		(6,704)
Company repurchases of common stock, shares		(59)
Cash dividends on common stock	(1,970)				(1,970)
Unrealized gain (loss) on investments, net of tax	(1,496)			(1,496)
Net (loss) income	(136)				(136)
Ending Balance at Mar. 31, 2024	$ 189,589	$ 65	$ 37,696	$ (22,297)	$ 174,125
Ending Balance, shares at Mar. 31, 2024		6,536

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Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Stockholders' Equity [Abstract]
Cash dividends on common stock per share	$ 0.30	$ 0.30

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net (loss) income	$ (136)	$ 819
Reconciliations of net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization	1,852	1,677
Non-cash lease expense	1,711	1,756
Net investment (accretion) amortization	(396)	237
Share-based compensation	2,187	1,928
Changes in certain operating assets and liabilities:
Trade accounts receivable	(28,961)	(24,175)
Income taxes	260	112
Prepaid expenses and other	(70)	(818)
Accounts payable	(896)	(2,880)
Accrued payroll, payroll taxes and related benefits	22,048	13,944
Other accrued liabilities	(3,135)	(1,224)
Premium payable	26,167	(1,413)
Workers' compensation claims liabilities	(9,835)	(14,412)
Operating lease liabilities	(1,806)	(1,819)
Other assets and liabilities, net	(11)	(247)
Net cash provided by (used in) operating activities	8,979	(26,515)
Cash flows from investing activities:
Purchase of property, equipment and software	(2,779)	(2,995)
Proceeds from sales and maturities of investments	8,290	233
Purchase of restricted investments	(4,649)	(1,725)
Proceeds from sales and maturities of restricted investments	13,253	2,446
Net cash provided by (used in) investing activities	14,115	(2,041)
Cash flows from financing activities:
Repurchases of common stock	(7,056)	(8,030)
Common stock repurchased on vesting of stock awards	(1,456)	(1,005)
Dividends paid	(1,970)	(2,067)
Proceeds from exercise of stock options and purchase of ESPP	376	339
Net cash used in financing activities	(10,106)	(10,763)
Net increase (decrease) in cash, cash equivalents and restricted cash	12,988	(39,319)
Cash, cash equivalents and restricted cash, beginning of period	74,841	107,378
Cash, cash equivalents and restricted cash, end of period	$ 87,829	$ 68,059

XML

Basis of Presentation of Interim Period Statements

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation of Interim Period Statements

Note 1 - Basis of Presentation of Interim Period Statements

The accompanying condensed consolidated financial statements are unaudited and have been prepared by Barrett Business Services, Inc. (“BBSI”, the “Company”, “our” or “we”), pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). Certain information and note disclosures typically included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) have been condensed or omitted pursuant to such rules and regulations. In the opinion of management, the condensed consolidated financial statements include all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the results for the interim periods presented. The accompanying condensed financial statements are prepared on a consolidated basis. All intercompany account balances and transactions have been eliminated in consolidation. The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and accompanying notes. Actual results may differ from such estimates and assumptions. The condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the Company’s 2023 Annual Report on Form 10-K at pages 33 - 61. The results of operations for an interim period are not necessarily indicative of the results of operations for a full year.

Revenue recognition

Professional employer (“PEO”) services are normally used by organizations to satisfy ongoing needs related to the management of human capital and are governed by the terms of a client services agreement which covers all employees at a particular work site. Staffing revenues relate primarily to short-term staffing, contract staffing and on-site management services. The Company’s performance obligations for PEO and staffing services are satisfied, and the related revenue is recognized, as services are rendered by our workforce.

Our PEO client service agreements have a minimum term of one year, are renewable on an annual basis and typically require 30 days’ written notice to cancel or terminate the contract by either party. In addition, our client service agreements provide for immediate termination upon any payment default of the client regardless of when notice is given. PEO customers are invoiced following the end of each payroll processing cycle, with payment generally due on the invoice date. Staffing customers are generally invoiced weekly based on agreed rates per employee and actual hours worked, typically with payment terms of 30 days. The amount of earned but unbilled revenue is classified as a receivable on the condensed consolidated balance sheets.

We report PEO revenues net of direct payroll costs because we are not the primary obligor for these payments to our clients’ employees. Direct payroll costs include salaries, wages, health insurance, and employee out-of-pocket expenses incurred incidental to employment.

Cost of revenues

Our cost of revenues for PEO services includes employer payroll-related taxes, workers’ compensation costs and employee benefits costs. Our cost of revenues for staffing services includes direct payroll costs, employer payroll-related taxes, and workers’ compensation costs. Direct payroll costs represent the gross payroll earned by staffing services employees based on salary or hourly wages. Payroll taxes and benefits consist of the employer’s portion of Social Security and Medicare taxes, federal and state unemployment taxes, and employee benefit costs, which primarily comprise health insurance premiums paid to third-party insurers and underwriting and benefit consultant payroll. Workers’ compensation costs consist primarily of premiums paid to third-party insurers, claims reserves, claims administration fees, legal fees, medical cost containment (“MCC”) expense, state administrative agency fees, third-party broker commissions, and risk manager payroll, as well as costs associated with operating our two wholly owned insurance companies, Associated Insurance Company for Excess (“AICE”) and Ecole Insurance Company (“Ecole”).

Cash and cash equivalents

We consider non-restricted short-term investments that are highly liquid, readily convertible into cash, and have maturities at acquisition of less than three months to be cash equivalents for purposes of the condensed consolidated statements of cash flows and condensed consolidated balance sheets. The Company maintains cash balances in bank accounts that normally exceed FDIC insured limits. The Company has not experienced any losses related to its cash concentration.

Investments

The Company classifies investments as available-for-sale. The Company’s investments are reported at fair value with unrealized gains and losses, net of taxes, shown as a component of accumulated other comprehensive income (loss) in stockholders’ equity. Investments are recorded as current on the condensed consolidated balance sheets as the invested funds are available for current operations. Management considers available evidence in evaluating potential impairment of investments, including the extent to which fair value is less than cost and adverse conditions related to the security. In the event of a credit loss, an allowance would be recognized to the extent that the fair value of the security is less than the present value of the expected future cash flows. Realized gains and losses on sales of investments are included in investment income in our condensed consolidated statements of operations.

Restricted cash and investments

The Company holds restricted cash and investments primarily for the future payment of insurance premiums and workers’ compensation claims. These investments are categorized as available-for-sale. They are reported at fair value with unrealized gains and losses, net of taxes, shown as a component of accumulated other comprehensive income (loss) in stockholders’ equity. Restricted cash and investments are classified as current and noncurrent on the condensed consolidated balance sheets based on the nature of the restriction. Management considers available evidence in evaluating potential impairment of restricted investments, including the extent to which fair value is less than cost and adverse conditions related to the security. In the event of a credit loss, an allowance would be recognized to the extent that the fair value of the security is less than the present value of the expected future cash flows. Realized gains and losses on sales of restricted investments are included in investment income in our condensed consolidated statements of operations.

Restricted cash and investments also includes investments held as part of the Company’s deferred compensation plan. These investments are classified as trading securities and are recorded at fair value with unrealized gains and losses reported as a component of income (loss) from operations.

Allowance for doubtful accounts

The Company had an allowance for doubtful accounts of $0.9 million at March 31, 2024 and December 31, 2023. We make estimates of the collectability of our accounts receivable for services provided to our customers based on future expected credit losses. Management analyzes historical bad debts, customer concentrations, customer credit-worthiness, current economic trends and changes in customers’ payment trends when evaluating the adequacy of the allowance for doubtful accounts. If the financial condition of our customers deteriorates resulting in an impairment of their ability to make payments, additional allowances may be required.

Workers’ compensation claims liabilities

Our workers’ compensation claims liabilities do not represent an exact calculation of liability but rather management’s best estimate, utilizing actuarial expertise and projection techniques, at a given reporting date. The estimated liability for open workers’ compensation claims is based on an evaluation of information provided by our third-party administrator for workers’ compensation claims, coupled with an actuarial estimate of future loss development with respect to reported claims and incurred but not reported claims (together, “IBNR”). Workers’ compensation claims liabilities include case reserve estimates for reported losses, plus additional amounts for estimated IBNR claims, MCC and legal costs, unallocated loss adjustment expenses and estimated future recoveries. The estimate of incurred costs expected to be paid within one year is included in current liabilities, while the estimate of incurred costs expected to be paid beyond one year is included in long-term liabilities on our condensed consolidated balance sheets. These estimates are reviewed at least quarterly and adjustments to estimated liabilities are reflected in current operating results as they become known.

The process of arriving at an estimate of unpaid claims and claims adjustment expense involves a high degree of judgment and is affected by both internal and external events, including changes in claims handling practices, changes in reserve estimation procedures, inflation, trends in the litigation and settlement of pending claims, and legislative changes.

Our estimates are based on actuarial analysis and informed judgment, derived from individual experience and expertise applied to multiple sets of data and analyses. We consider significant facts and circumstances known both at the time that loss reserves are initially established and as new facts and circumstances become known. Due to the inherent uncertainty underlying loss reserve estimates, the expenses incurred through final resolution of our liability for our workers’ compensation claims will likely vary from the related loss reserves at the reporting date. Therefore, as specific claims are paid out in the future, actual paid losses may be materially different from our current loss reserves.

A basic premise in most actuarial analyses is that historical data and past patterns demonstrated in the incurred and paid historical data form a reasonable basis upon which to project future outcomes, absent a material change. Significant structural changes to the available data can materially impact the reserve estimation process. To the extent a material change affecting the ultimate claim liability becomes known, such change is quantified to the extent possible through an analysis of internal Company data and, if available and when appropriate, external data. Nonetheless, actuaries exercise a considerable degree of judgment in the evaluation of these factors and the need for such actuarial judgment is more pronounced when faced with material uncertainties.

Customer deposits

We require deposits from certain PEO customers to cover a portion of our accounts receivable due from such customers in the event of default of payment.

Comprehensive income (loss)

Comprehensive income (loss) includes all changes in equity during a period except those that resulted from investments by or distributions to the Company’s stockholders.

Other comprehensive income (loss) refers to revenues, expenses, gains and losses that under U.S. generally accepted accounting principles (“GAAP”) are included in comprehensive income (loss), but excluded from net income (loss) as these amounts are recorded directly as an adjustment to stockholders’ equity. Our other comprehensive income (loss) comprises unrealized holding gains and losses on our available-for-sale investments.

Statements of cash flows

Interest paid during the three months ended March 31, 2024 and 2023 did not materially differ from interest expense. Income taxes paid by the Company during the three months ended March 31, 2024 and 2023 totaled $0.04 million and $0.01 million, respectively.

Bank deposits and other cash equivalents that are restricted for use are classified as restricted cash. The table below reconciles the cash, cash equivalents and restricted cash balances from our condensed consolidated balance sheets to the amounts reported on the condensed consolidated statements of cash flows (in thousands):

	March 31,		December 31,		March 31,		December 31,
	2024		2023		2023		2022
Cash and cash equivalents	$	51,267	$	71,168	$	52,635	$	91,423
Restricted cash, included in restricted cash and    investments		36,562		3,673		15,424		15,955
Total cash, cash equivalents and restricted cash    shown in the statements of cash flows	$	87,829	$	74,841	$	68,059	$	107,378

Basic and diluted earnings per share

Basic earnings per share are computed based on the weighted average number of common shares outstanding for each year using the treasury method. Diluted earnings per share reflect the potential effects of the issuance of shares in connection with the exercise of outstanding stock options, vesting of outstanding restricted stock units and performance share units, and the Company’s employee stock purchase plan. Basic and diluted shares outstanding are summarized as follows (in thousands):

	Three Months Ended
	March 31,
	2024		2023
Weighted average number of basic shares outstanding		6,570		6,866
Effect of dilutive securities		—		119
Weighted average number of diluted shares outstanding		6,570		6,985

As a result of the net loss for the three months ended March 31, 2024, 135,405 potential common shares have been excluded from the calculation of diluted loss per share because their effect would be anti-dilutive.

Accounting estimates

The preparation of our condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions. These affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements, and the reported amounts of revenues and expenses during the reporting periods. Management bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Estimates are used for fair value measurement of investments, allowance for doubtful accounts, deferred income taxes, carrying values for goodwill and property, equipment and software, and accrued workers’ compensation liabilities. Actual results may or may not differ from such estimates.

Reclassifications

To conform to the current period’s presentation, safety incentives liability of $1.3 million was reclassified to other accrued liabilities in the prior period condensed consolidated balance sheets, and net cash outflows related to safety incentives liability of $0.3 million was reclassified to other accrued liabilities in the prior period condensed consolidated statements of cash flows. Additionally, to conform the current period’s presentation to reclassifications made in 2023, net cash outflows associated with premiums payable to third party insurance carriers of $1.4 million were reclassified from other accrued liabilities to premium payable in the prior period condensed consolidated statements of cash flows.

Recent accounting pronouncements

The following Accounting Standards Updates (ASUs) have been recently issued by the Financial Accounting Standards Board (FASB).

ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures

In November 2023, the FASB issued ASU 2023-07, which expands annual and interim reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. All disclosure requirements under the new guidance are also required for public entities with a single reportable segment. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. The amendments should be applied retrospectively to all prior periods presented in the financial statements. We are evaluating the impact of applying this new accounting guidance to our financial statement disclosures.

ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures

In December 2023, the FASB issued ASU 2023-09, which requires disaggregated information about a reporting entity’s effective tax rate reconciliation as well as information on income taxes paid. The standard is intended to benefit investors by providing more detailed income tax disclosures that would be useful in making capital allocation decisions. The ASU applies to all entities subject to income taxes. The new requirements will be effective for annual periods beginning after December 15, 2024. The guidance will be applied on a prospective basis with the option to apply the standard retrospectively. Early adoption is permitted. We are evaluating the impact of applying this new accounting guidance to our income tax disclosures.

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Fair Value Measurement

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Fair Value Measurement

Note 2 - Fair Value Measurement

The following table summarizes the Company’s investments at March 31, 2024 and December 31, 2023 measured at fair value on a recurring basis (in thousands):

	March 31, 2024							December 31, 2023
			Gross							Gross
			Unrealized			Recorded				Unrealized			Recorded
			(Losses)							(Losses)
	Cost		Gains			Basis		Cost		Gains			Basis
Current:
Cash equivalents:
Money market funds	$	18,549	$	—		$	18,549	$	19,539	$	—		$	19,539
Total cash equivalents		18,549		—			18,549		19,539		—			19,539
Investments:
Corporate bonds		32,319		(3,123	)		29,196		34,472		(3,159	)		31,313
U.S. government agency securities		12,806		(395	)		12,411		12,830		(408	)		12,422
U.S. treasuries		12,451		(1,369	)		11,082		12,448		(1,253	)		11,195
Mortgage backed securities		12,908		(2,677	)		10,231		13,084		(2,454	)		10,630
Asset backed securities		9,647		(157	)		9,490		13,659		(187	)		13,472
Emerging markets		—		—			—		2,003		(8	)		1,995
Total current investments		80,131		(7,721	)		72,410		88,496		(7,469	)		81,027
Restricted cash and investments (1):
U.S. treasuries		125,052		(7,032	)		118,020		109,020		(6,415	)		102,605
Corporate bonds		82,816		(9,022	)		73,794		82,481		(8,454	)		74,027
Mortgage backed securities		42,418		(5,874	)		36,544		42,077		(5,216	)		36,861
U.S. government agency securities		16,854		(1,170	)		15,684		16,863		(1,199	)		15,664
Mutual funds		9,641		—			9,641		8,941		—			8,941
Asset backed securities		799		(2	)		797		799		—			799
Emerging markets		200		3			203		200		2			202
Money market funds		107		—			107		337		—			337
Total restricted cash and    investments		277,887		(23,097	)		254,790		260,718		(21,282	)		239,436
Total investments	$	376,567	$	(30,818	)	$	345,749	$	368,753	$	(28,751	)	$	340,002

(1) Included in restricted cash and investments within the condensed consolidated balance sheets as of March 31, 2024 and December 31, 2023 is restricted cash of $11.8 million and $3.6 million, respectively, which is excluded from the table above. Restricted cash and investments are classified as current and noncurrent on the balance sheet based on the nature of the restriction.

The following table summarizes the Company’s investments at March 31, 2024 and December 31, 2023 measured at fair value on a recurring basis by fair value hierarchy level (in thousands):

	March 31, 2024								December 31, 2023
	Total								Total
	Recorded								Recorded
	Basis		Level 1		Level 2		Other (1)		Basis		Level 1		Level 2		Other (1)
Cash equivalents:
Money market funds	$	18,549	$	—	$	—	$	18,549	$	19,539	$	—	$	—	$	19,539
Investments:
Corporate bonds		29,196		—		29,196		—		31,313		—		31,313		—
U.S. government    agency securities		12,411		—		12,411		—		12,422		—		12,422		—
U.S. treasuries		11,082		—		11,082		—		11,195		—		11,195		—
Mortgage backed    securities		10,231		—		10,231		—		10,630		—		10,630		—
Asset backed securities		9,490		—		9,490		—		13,472		—		13,472		—
Emerging markets		—		—		—		—		1,995		—		1,995		—
Restricted cash and    investments:
U.S. treasuries		118,020		—		118,020		—		102,605		—		102,605		—
Corporate bonds		73,794		—		73,794		—		74,027		—		74,027		—
Mortgage backed    securities		36,544		—		36,544		—		36,861		—		36,861		—
U.S. government    agency securities		15,684		—		15,684		—		15,664		—		15,664		—
Mutual funds		9,641		9,641		—		—		8,941		8,941		—		—
Asset backed securities		797		—		797		—		799		—		799		—
Emerging markets		203		—		203		—		202		—		202		—
Money market funds		107		—		—		107		337		—		—		337
Total investments	$	345,749	$	9,641	$	317,452	$	18,656	$	340,002	$	8,941	$	311,185	$	19,876

(1) Investments in money market funds measured at fair value using the net asset value per share practical expedient are not subject to hierarchy level classification disclosure. The Company invests in money market funds that seek to maintain a stable net asset value. These investments include commingled funds that comprise high-quality short-term securities representing liquid debt and monetary instruments where the redemption value is likely to be the fair value. Redemption is permitted daily without written notice.

The following table summarizes the contractual maturities of the Company’s available-for-sale securities at March 31, 2024 and December 31, 2023. Actual maturities may differ from contractual maturities because borrowers may have the right to prepay obligations with or without prepayment penalties. The table also includes money market funds, which are classified as cash and cash equivalents on the Company’s consolidated balance sheets.

	March 31, 2024
(In thousands)	Less than 1 Year		Between 1 to 5 Years		Between 5 to 10 Years		After 10 Years		Total
U.S. treasuries	$	71,700	$	32,671	$	24,731		—	$	129,102
Corporate bonds		4,920		67,561		30,339		170		102,990
U.S. government agency securities		39		27,018		1,038		—		28,095
Money market funds		18,656		—		—		—		18,656
Asset backed securities		—		797		8,199		1,291		10,287
Emerging markets		—		—		203		—		203
Total	$	95,315	$	128,047	$	64,510	$	1,461	$	289,333
	December 31, 2023
(In thousands)	Less than 1 Year		Between 1 to 5 Years		Between 5 to 10 Years		After 10 Years		Total
U.S. treasuries	$	55,955	$	32,706	$	25,139	$	—	$	113,800
Corporate bonds		6,859		67,731		30,574		176		105,340
U.S. government agency securities		39		27,018		1,029		—		28,086
Money market funds		19,876		—		—		—		19,876
Asset backed securities		—		799		12,182		1,290		14,271
Emerging markets		1,995		—		202		—		2,197
Total	$	84,724	$	128,254	$	69,126	$	1,466	$	283,570

The average contractual maturity of mortgage backed securities, which are excluded from the table above, was 21 and 23 years as of March 31, 2024 and December 31, 2023, respectively.

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Workers' Compensation Claims

3 Months Ended

Mar. 31, 2024

Text Block [Abstract]

Workers' Compensation Claims

Note 3 – Workers’ Compensation Claims

The following table summarizes the aggregate workers’ compensation reserve activity (in thousands):

	Three Months Ended
	March 31,
	2024			2023
Beginning balance
Workers' compensation claims liabilities	$	167,763		$	215,987
Add: claims expense accrual
Current period		3,600			4,362
Prior periods		(2,992	)		(1,114	)
		608			3,248
Less: claim payments related to
Current period		954			180
Prior periods		9,489			17,480
		10,443			17,660
Change in claims incurred in excess of retention limits		126			66
Ending balance
Workers' compensation claims liabilities	$	158,054		$	201,641

Insured program

The Company provides workers’ compensation coverage for client employees primarily through arrangements with fully licensed, third-party insurers (the “insured program”). Under this program, carriers issue policies or afford coverage to the Company’s clients under a program maintained by the Company. Approximately 85% of the Company’s workers’ compensation exposure is covered through the insured program.

Effective July 1, 2021, the Company entered into a new arrangement for its insured program, whereby third-party insurers assumed all risk of loss for claims incurred from July 1, 2021 to June 30, 2022 (the “2021-2022 Policy”). The arrangement for the insured program was extended for claims incurred from July 1, 2022 to June 30, 2023 (the “2022-2023 Policy”) and for claims incurred from July 1, 2023 to June 30, 2024 (the “2023-2024 Policy”).

The 2021-2022 Policy, 2022-2023 Policy, and 2023-2024 Policy allow for premium adjustments depending on overall policy performance. If claims develop favorably, BBSI can participate in savings up to $20.0 million, $22.5 million, and $28.5 million for the 2021-2022 Policy, 2022-2023 Policy, and 2023-2024 Policy, respectively. If claims develop adversely, additional premium may be charged up to $7.5 million under the 2021-2022 Policy. No additional premiums may be charged if claims develop adversely under the 2022-2023 Policy and the 2023-2024 Policy.

For the above policies, premium amounts incurred but not paid are recorded as either current or long-term premium payable on the consolidated balance sheets based on the expected timing of the payments.

For claims incurred under the insured program prior to July 1, 2021, the Company retains risk of loss up to the first $3.0 million per occurrence on policies issued after June 30, 2020 and $5.0 million per occurrence on policies issued before that date.

Claim obligations for policies issued under the insured program between February 1, 2014 and June 30, 2018 were removed through loss portfolio transfers in 2020 and 2021.

The following is a summary of the risk retained by the Company under its insured program after considering the effects of the loss portfolio transfers and current insurance arrangements:

Year	Claims risk retained
2014	No
2015	No
2016	No
2017	No
2018 (1)	No
2019 (1)	Yes
2020	Yes
2021 - Through June 30	Yes
2021 - July 1 and after	No
2022	No
2023	No
2024	No

(1) The loss portfolio transfers excluded approximately 10% of claims from 2018 and included an approximately offsetting amount of claims from 2019.

The Company is required to maintain minimum collateral levels for certain policies issued under the insured program, which is held in a trust account (the “trust account”). The balance in the trust account was $234.2 million and $210.9 million at March 31, 2024 and December 31, 2023, respectively. The trust account balance is included as a component of the current and long-term restricted cash and investments in the Company’s condensed consolidated balance sheets.

Self-insured programs

The Company is a self-insured employer with respect to workers' compensation coverage for all employees, including employees of PEO clients that elect to participate in our workers’ compensation program, working in Colorado, Maryland, Ohio, and Oregon. In the state of Washington, state law allows only the Company's staffing services and internal management employees to be covered under the Company's self-insured workers' compensation program. The Company also operates a wholly owned, fully licensed insurance company, Ecole, which provides workers’ compensation coverage to client employees working in Arizona and Utah. Approximately 15% of the Company’s workers’ compensation exposure is covered through self-insurance or Ecole (the “self-insured programs”).

For all claims incurred under the Company’s self-insured programs, the Company retains risk of loss up to the first $3.0 million per occurrence, except in Maryland and Colorado, where the Company’s retention per occurrence is $1.0 million and $2.0 million, respectively. For claims incurred under the Company’s self-insured programs prior to July 1, 2020, the Company retains risk of loss up to the first $5.0 million per occurrence, except in Maryland and Colorado, where the retention per occurrence is $1.0 million and $2.0 million, respectively.

The states of California, Maryland, Oregon, Washington, Colorado and Delaware required the Company to maintain collateral totaling $48.1 million at both March 31, 2024 and December 31, 2023 to cover potential workers’ compensation claims losses related to the Company’s current and former status as a self-insured employer. At March 31, 2024, the Company provided surety bonds totaling $48.1 million.

Claims liabilities

The Company provided a total of $158.1 million and $167.8 million at March 31, 2024 and December 31, 2023, respectively, as an estimated future liability for unsettled workers' compensation claims liabilities. Of this amount, $6.1 million and $6.0 million at March 31, 2024 and December 31, 2023, respectively, represent case reserves and IBNR in excess of the Company’s retention. The accrual for costs incurred in excess of retention limits is offset by a receivable from insurance carriers of $6.1 million and $6.0 million at March 31, 2024 and December 31, 2023, respectively, included in other assets in the condensed consolidated balance sheets.

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Revolving Credit Facility and Long-Term Debt

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Revolving Credit Facility and Long-Term Debt

Note 4 - Revolving Credit Facility and Long-Term Debt

The Company maintains an agreement (the "Agreement") with Wells Fargo Bank, N.A. (the "Bank") for a revolving credit line of $50.0 million and a sublimit for standby letters of credit of $25.0 million. Advances under the revolving credit line bear interest, as selected by the Company, of (a) the daily Simple Secured Overnight Financing Rate (“SOFR”) plus 1.75% or (b) one-month Term SOFR plus 1.75%. The Agreement also provides for an unused commitment fee of 0.35% per year on the average daily unused amount of the revolving credit line, as well as a fee of 1.75% of the face amount of each letter of credit reserved under the line of credit. The Company had no outstanding borrowings on its revolving credit line at March 31, 2024 and December 31, 2023. The credit facility is collateralized by the Company’s accounts receivable and other rights to receive payment.

The Agreement requires the satisfaction of certain financial covenants as follows:

•adjusted free cash flow [net profit after taxes plus interest expense (net of capitalized interest), depreciation expense, and amortization expense, less dividends/distributions] not less than $10 million as of each fiscal quarter end, determined on a rolling 4-quarter basis; and

•tangible net worth [aggregate of total stockholders' equity plus subordinated debt less any intangible assets and less any loans or advances to, or investments in, any related entities or individuals] not less than $50 million at each fiscal quarter end.

The Agreement imposes certain additional restrictions unless the Bank provides its prior written consent as follows:

•incurring additional indebtedness is prohibited, other than purchase financing for the acquisition of assets, provided that the aggregate of all purchase financing does not exceed $1 million at any time;

•the Company may not terminate or cancel any of the AICE policies; and

•if an event of default would occur, and is continuing, including on a pro forma basis, no dividends or distributions would be permitted to be paid and redemptions and repurchases of the Company's stock would be permitted only up to $15 million in any rolling 12-month period.

The Agreement also contains customary events of default and specified cross-defaults under the Company's workers' compensation insurance arrangements. If an event of default under the Agreement occurs and is continuing, the Bank may declare any outstanding obligations under the Agreement to be immediately due and payable. At March 31, 2024, the Company was in compliance with all covenants.

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Income Taxes

3 Months Ended

Mar. 31, 2024

Income Tax Disclosure [Abstract]

Income Taxes

Note 5 – Income Taxes

Under ASC 740, “Income Taxes,” management evaluates the realizability of the deferred tax assets on a quarterly basis under a “more-likely-than-not” standard. As part of this evaluation, management reviews all evidence both positive and negative to determine if a valuation allowance is needed. One component of this analysis is to determine whether the Company was in a cumulative loss position for the most recent 12 quarters. The Company was in a cumulative income position for the 12 quarters ended March 31, 2024.

The Company’s realization of a portion of net deferred tax assets is based in part on our estimates of the timing of reversals of certain temporary differences and on the generation of taxable income before such reversals.

The Company is subject to income taxes in U.S. federal and multiple state and local tax jurisdictions. The Internal Revenue Service (the "IRS") is examining the Company’s federal tax returns for the years ended December 31, 2017 through 2021. BBSI received notice that the IRS intends to disallow certain wage-based tax credits claimed for the years 2017 through 2020, which could result in estimated total additional taxes of $7.4 million and penalties of $1.7 million. Tax year 2021 remains under audit; disallowance of similar wage-based credits would result in additional estimated tax due of $0.6 million. The Company disagrees with the IRS determination to disallow certain wage-based credits taken by the Company and believes that the Company has the technical merits to defend its position. Based on management’s more-likely-than-not assessment that the position is sustainable, no reserve for the aforementioned IRS notices

of disallowance of wage-based tax credits or underpayment penalties has been recorded in the financial statements.

In the major jurisdictions where it operates, the Company is generally no longer subject to income tax examinations by tax authorities for tax years before 2017. As of March 31, 2024 and December 31, 2023, total gross unrecognized tax benefits, excluding interest and penalties, of $0.5 million and $0.8 million, respectively, would affect the Company's effective tax rate if recognized in future periods. The Company does not anticipate any material changes to the reserve in the next 12 months.

A portion of the consolidated income the Company generates is not subject to state income tax. Depending on the percentage of this income as compared to total consolidated income, the Company's state effective tax rate could fluctuate from expectations.

At March 31, 2024, the Company had no state operating loss carryforwards. At March 31, 2024, the Company did not have a federal general business tax credit carryforward or an alternative minimum tax credit carryforward.

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Litigation

3 Months Ended

Mar. 31, 2024

Commitments and Contingencies Disclosure [Abstract]

Litigation

Note 6 – Litigation

On April 5, 2011, several individual plaintiffs filed a wage and hour class action in the California Superior Court, County of Fresno, naming as defendants their employer, a Merry Maids franchisee; BBSI, which was providing PEO services to the franchisee; and various parties related to the franchisor. Plaintiffs claimed, among other things, that BBSI and the franchisor were their joint employer with franchisee and therefore jointly responsible for the alleged wage and hour violations. The case was subsequently removed to the United States District Court for the Eastern District of California, and on January 18, 2019, the District Court certified a class of former non-exempt employees who resided in California and worked for the franchisee in certain positions during the period from April 6, 2007 through January 19, 2019. On November 30, 2020, the District Court granted BBSI’s motion for summary judgment to be removed from the case. Thereafter the plaintiffs appealed to the United States Court of Appeals for the Ninth Circuit, and on June 2, 2022, the Court of Appeals reversed the order granting summary judgment to BBSI. The court held that there is a triable issue of fact concerning whether or not BBSI was a joint-employer under applicable California law. BBSI intends to vigorously defend the claim, including continuing to assert its defense on the ground that it was not a joint-employer of plaintiffs. Given the uncertainties surrounding this litigation, management is unable to estimate a potential range of loss.

In addition to the matter above, BBSI is subject to other legal proceedings and claims that arise in the ordinary course of our business. There are significant uncertainties surrounding litigation. For all other cases not discussed above, management has recorded estimated liabilities totaling $0.1 million in other accrued liabilities in the condensed consolidated balance sheets.

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Subsequent Events

3 Months Ended

Mar. 31, 2024

Subsequent Events [Abstract]

Subsequent Events

Note 7 – Subsequent Events

We have evaluated events and transactions occurring after the balance sheet date through our filing date and noted no events that are subject to recognition or disclosure.

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Basis of Presentation of Interim Period Statements (Policies)

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Revenue recognition

Revenue recognition

Professional employer (“PEO”) services are normally used by organizations to satisfy ongoing needs related to the management of human capital and are governed by the terms of a client services agreement which covers all employees at a particular work site. Staffing revenues relate primarily to short-term staffing, contract staffing and on-site management services. The Company’s performance obligations for PEO and staffing services are satisfied, and the related revenue is recognized, as services are rendered by our workforce.

Our PEO client service agreements have a minimum term of one year, are renewable on an annual basis and typically require 30 days’ written notice to cancel or terminate the contract by either party. In addition, our client service agreements provide for immediate termination upon any payment default of the client regardless of when notice is given. PEO customers are invoiced following the end of each payroll processing cycle, with payment generally due on the invoice date. Staffing customers are generally invoiced weekly based on agreed rates per employee and actual hours worked, typically with payment terms of 30 days. The amount of earned but unbilled revenue is classified as a receivable on the condensed consolidated balance sheets.

We report PEO revenues net of direct payroll costs because we are not the primary obligor for these payments to our clients’ employees. Direct payroll costs include salaries, wages, health insurance, and employee out-of-pocket expenses incurred incidental to employment.

Cost of revenues

Cost of revenues

Our cost of revenues for PEO services includes employer payroll-related taxes, workers’ compensation costs and employee benefits costs. Our cost of revenues for staffing services includes direct payroll costs, employer payroll-related taxes, and workers’ compensation costs. Direct payroll costs represent the gross payroll earned by staffing services employees based on salary or hourly wages. Payroll taxes and benefits consist of the employer’s portion of Social Security and Medicare taxes, federal and state unemployment taxes, and employee benefit costs, which primarily comprise health insurance premiums paid to third-party insurers and underwriting and benefit consultant payroll. Workers’ compensation costs consist primarily of premiums paid to third-party insurers, claims reserves, claims administration fees, legal fees, medical cost containment (“MCC”) expense, state administrative agency fees, third-party broker commissions, and risk manager payroll, as well as costs associated with operating our two wholly owned insurance companies, Associated Insurance Company for Excess (“AICE”) and Ecole Insurance Company (“Ecole”).

Cash and cash equivalents

Cash and cash equivalents

We consider non-restricted short-term investments that are highly liquid, readily convertible into cash, and have maturities at acquisition of less than three months to be cash equivalents for purposes of the condensed consolidated statements of cash flows and condensed consolidated balance sheets. The Company maintains cash balances in bank accounts that normally exceed FDIC insured limits. The Company has not experienced any losses related to its cash concentration.

Investments

Investments

The Company classifies investments as available-for-sale. The Company’s investments are reported at fair value with unrealized gains and losses, net of taxes, shown as a component of accumulated other comprehensive income (loss) in stockholders’ equity. Investments are recorded as current on the condensed consolidated balance sheets as the invested funds are available for current operations. Management considers available evidence in evaluating potential impairment of investments, including the extent to which fair value is less than cost and adverse conditions related to the security. In the event of a credit loss, an allowance would be recognized to the extent that the fair value of the security is less than the present value of the expected future cash flows. Realized gains and losses on sales of investments are included in investment income in our condensed consolidated statements of operations.

Restricted cash and investments

Restricted cash and investments

The Company holds restricted cash and investments primarily for the future payment of insurance premiums and workers’ compensation claims. These investments are categorized as available-for-sale. They are reported at fair value with unrealized gains and losses, net of taxes, shown as a component of accumulated other comprehensive income (loss) in stockholders’ equity. Restricted cash and investments are classified as current and noncurrent on the condensed consolidated balance sheets based on the nature of the restriction. Management considers available evidence in evaluating potential impairment of restricted investments, including the extent to which fair value is less than cost and adverse conditions related to the security. In the event of a credit loss, an allowance would be recognized to the extent that the fair value of the security is less than the present value of the expected future cash flows. Realized gains and losses on sales of restricted investments are included in investment income in our condensed consolidated statements of operations.

Restricted cash and investments also includes investments held as part of the Company’s deferred compensation plan. These investments are classified as trading securities and are recorded at fair value with unrealized gains and losses reported as a component of income (loss) from operations.

Allowance for doubtful accounts

Allowance for doubtful accounts

The Company had an allowance for doubtful accounts of $0.9 million at March 31, 2024 and December 31, 2023. We make estimates of the collectability of our accounts receivable for services provided to our customers based on future expected credit losses. Management analyzes historical bad debts, customer concentrations, customer credit-worthiness, current economic trends and changes in customers’ payment trends when evaluating the adequacy of the allowance for doubtful accounts. If the financial condition of our customers deteriorates resulting in an impairment of their ability to make payments, additional allowances may be required.

Workers' compensation claims liabilities

Workers’ compensation claims liabilities

Our workers’ compensation claims liabilities do not represent an exact calculation of liability but rather management’s best estimate, utilizing actuarial expertise and projection techniques, at a given reporting date. The estimated liability for open workers’ compensation claims is based on an evaluation of information provided by our third-party administrator for workers’ compensation claims, coupled with an actuarial estimate of future loss development with respect to reported claims and incurred but not reported claims (together, “IBNR”). Workers’ compensation claims liabilities include case reserve estimates for reported losses, plus additional amounts for estimated IBNR claims, MCC and legal costs, unallocated loss adjustment expenses and estimated future recoveries. The estimate of incurred costs expected to be paid within one year is included in current liabilities, while the estimate of incurred costs expected to be paid beyond one year is included in long-term liabilities on our condensed consolidated balance sheets. These estimates are reviewed at least quarterly and adjustments to estimated liabilities are reflected in current operating results as they become known.

The process of arriving at an estimate of unpaid claims and claims adjustment expense involves a high degree of judgment and is affected by both internal and external events, including changes in claims handling practices, changes in reserve estimation procedures, inflation, trends in the litigation and settlement of pending claims, and legislative changes.

Our estimates are based on actuarial analysis and informed judgment, derived from individual experience and expertise applied to multiple sets of data and analyses. We consider significant facts and circumstances known both at the time that loss reserves are initially established and as new facts and circumstances become known. Due to the inherent uncertainty underlying loss reserve estimates, the expenses incurred through final resolution of our liability for our workers’ compensation claims will likely vary from the related loss reserves at the reporting date. Therefore, as specific claims are paid out in the future, actual paid losses may be materially different from our current loss reserves.

A basic premise in most actuarial analyses is that historical data and past patterns demonstrated in the incurred and paid historical data form a reasonable basis upon which to project future outcomes, absent a material change. Significant structural changes to the available data can materially impact the reserve estimation process. To the extent a material change affecting the ultimate claim liability becomes known, such change is quantified to the extent possible through an analysis of internal Company data and, if available and when appropriate, external data. Nonetheless, actuaries exercise a considerable degree of judgment in the evaluation of these factors and the need for such actuarial judgment is more pronounced when faced with material uncertainties.

Customer deposits

Customer deposits

We require deposits from certain PEO customers to cover a portion of our accounts receivable due from such customers in the event of default of payment.

Comprehensive income (loss)

Comprehensive income (loss)

Comprehensive income (loss) includes all changes in equity during a period except those that resulted from investments by or distributions to the Company’s stockholders.

Other comprehensive income (loss) refers to revenues, expenses, gains and losses that under U.S. generally accepted accounting principles (“GAAP”) are included in comprehensive income (loss), but excluded from net income (loss) as these amounts are recorded directly as an adjustment to stockholders’ equity. Our other comprehensive income (loss) comprises unrealized holding gains and losses on our available-for-sale investments.

Statements of cash flows

Statements of cash flows

Interest paid during the three months ended March 31, 2024 and 2023 did not materially differ from interest expense. Income taxes paid by the Company during the three months ended March 31, 2024 and 2023 totaled $0.04 million and $0.01 million, respectively.

Bank deposits and other cash equivalents that are restricted for use are classified as restricted cash. The table below reconciles the cash, cash equivalents and restricted cash balances from our condensed consolidated balance sheets to the amounts reported on the condensed consolidated statements of cash flows (in thousands):

	March 31,		December 31,		March 31,		December 31,
	2024		2023		2023		2022
Cash and cash equivalents	$	51,267	$	71,168	$	52,635	$	91,423
Restricted cash, included in restricted cash and    investments		36,562		3,673		15,424		15,955
Total cash, cash equivalents and restricted cash    shown in the statements of cash flows	$	87,829	$	74,841	$	68,059	$	107,378

Basic and diluted earnings per share

Basic and diluted earnings per share

Basic earnings per share are computed based on the weighted average number of common shares outstanding for each year using the treasury method. Diluted earnings per share reflect the potential effects of the issuance of shares in connection with the exercise of outstanding stock options, vesting of outstanding restricted stock units and performance share units, and the Company’s employee stock purchase plan. Basic and diluted shares outstanding are summarized as follows (in thousands):

	Three Months Ended
	March 31,
	2024		2023
Weighted average number of basic shares outstanding		6,570		6,866
Effect of dilutive securities		—		119
Weighted average number of diluted shares outstanding		6,570		6,985

As a result of the net loss for the three months ended March 31, 2024, 135,405 potential common shares have been excluded from the calculation of diluted loss per share because their effect would be anti-dilutive.

Accounting estimates

Accounting estimates

The preparation of our condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions. These affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements, and the reported amounts of revenues and expenses during the reporting periods. Management bases its estimates on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Estimates are used for fair value measurement of investments, allowance for doubtful accounts, deferred income taxes, carrying values for goodwill and property, equipment and software, and accrued workers’ compensation liabilities. Actual results may or may not differ from such estimates.

Reclassifications

Reclassifications

To conform to the current period’s presentation, safety incentives liability of $1.3 million was reclassified to other accrued liabilities in the prior period condensed consolidated balance sheets, and net cash outflows related to safety incentives liability of $0.3 million was reclassified to other accrued liabilities in the prior period condensed consolidated statements of cash flows. Additionally, to conform the current period’s presentation to reclassifications made in 2023, net cash outflows associated with premiums payable to third party insurance carriers of $1.4 million were reclassified from other accrued liabilities to premium payable in the prior period condensed consolidated statements of cash flows.

Recent accounting pronouncements

Recent accounting pronouncements

The following Accounting Standards Updates (ASUs) have been recently issued by the Financial Accounting Standards Board (FASB).

ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures

In November 2023, the FASB issued ASU 2023-07, which expands annual and interim reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. All disclosure requirements under the new guidance are also required for public entities with a single reportable segment. ASU 2023-07 is effective for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. The amendments should be applied retrospectively to all prior periods presented in the financial statements. We are evaluating the impact of applying this new accounting guidance to our financial statement disclosures.

ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures

In December 2023, the FASB issued ASU 2023-09, which requires disaggregated information about a reporting entity’s effective tax rate reconciliation as well as information on income taxes paid. The standard is intended to benefit investors by providing more detailed income tax disclosures that would be useful in making capital allocation decisions. The ASU applies to all entities subject to income taxes. The new requirements will be effective for annual periods beginning after December 15, 2024. The guidance will be applied on a prospective basis with the option to apply the standard retrospectively. Early adoption is permitted. We are evaluating the impact of applying this new accounting guidance to our income tax disclosures.

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Basis of Presentation of Interim Period Statements (Tables)

3 Months Ended

Mar. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Reconciles of Cash, Cash Equivalents and Restricted Cash Balances

The table below reconciles the cash, cash equivalents and restricted cash balances from our condensed consolidated balance sheets to the amounts reported on the condensed consolidated statements of cash flows (in thousands):

	March 31,		December 31,		March 31,		December 31,
	2024		2023		2023		2022
Cash and cash equivalents	$	51,267	$	71,168	$	52,635	$	91,423
Restricted cash, included in restricted cash and    investments		36,562		3,673		15,424		15,955
Total cash, cash equivalents and restricted cash    shown in the statements of cash flows	$	87,829	$	74,841	$	68,059	$	107,378

Summary of Basic and Diluted Common Shares Outstanding

Basic and diluted shares outstanding are summarized as follows (in thousands):

	Three Months Ended
	March 31,
	2024		2023
Weighted average number of basic shares outstanding		6,570		6,866
Effect of dilutive securities		—		119
Weighted average number of diluted shares outstanding		6,570		6,985

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Fair Value Measurement (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Summary of Investments Measured at Fair Value on Recurring Basis

The following table summarizes the Company’s investments at March 31, 2024 and December 31, 2023 measured at fair value on a recurring basis (in thousands):

	March 31, 2024							December 31, 2023
			Gross							Gross
			Unrealized			Recorded				Unrealized			Recorded
			(Losses)							(Losses)
	Cost		Gains			Basis		Cost		Gains			Basis
Current:
Cash equivalents:
Money market funds	$	18,549	$	—		$	18,549	$	19,539	$	—		$	19,539
Total cash equivalents		18,549		—			18,549		19,539		—			19,539
Investments:
Corporate bonds		32,319		(3,123	)		29,196		34,472		(3,159	)		31,313
U.S. government agency securities		12,806		(395	)		12,411		12,830		(408	)		12,422
U.S. treasuries		12,451		(1,369	)		11,082		12,448		(1,253	)		11,195
Mortgage backed securities		12,908		(2,677	)		10,231		13,084		(2,454	)		10,630
Asset backed securities		9,647		(157	)		9,490		13,659		(187	)		13,472
Emerging markets		—		—			—		2,003		(8	)		1,995
Total current investments		80,131		(7,721	)		72,410		88,496		(7,469	)		81,027
Restricted cash and investments (1):
U.S. treasuries		125,052		(7,032	)		118,020		109,020		(6,415	)		102,605
Corporate bonds		82,816		(9,022	)		73,794		82,481		(8,454	)		74,027
Mortgage backed securities		42,418		(5,874	)		36,544		42,077		(5,216	)		36,861
U.S. government agency securities		16,854		(1,170	)		15,684		16,863		(1,199	)		15,664
Mutual funds		9,641		—			9,641		8,941		—			8,941
Asset backed securities		799		(2	)		797		799		—			799
Emerging markets		200		3			203		200		2			202
Money market funds		107		—			107		337		—			337
Total restricted cash and    investments		277,887		(23,097	)		254,790		260,718		(21,282	)		239,436
Total investments	$	376,567	$	(30,818	)	$	345,749	$	368,753	$	(28,751	)	$	340,002

(1) Included in restricted cash and investments within the condensed consolidated balance sheets as of March 31, 2024 and December 31, 2023 is restricted cash of $11.8 million and $3.6 million, respectively, which is excluded from the table above. Restricted cash and investments are classified as current and noncurrent on the balance sheet based on the nature of the restriction.

Summary of Assets Measured at Fair Value on Recurring Basis

The following table summarizes the Company’s investments at March 31, 2024 and December 31, 2023 measured at fair value on a recurring basis by fair value hierarchy level (in thousands):

	March 31, 2024								December 31, 2023
	Total								Total
	Recorded								Recorded
	Basis		Level 1		Level 2		Other (1)		Basis		Level 1		Level 2		Other (1)
Cash equivalents:
Money market funds	$	18,549	$	—	$	—	$	18,549	$	19,539	$	—	$	—	$	19,539
Investments:
Corporate bonds		29,196		—		29,196		—		31,313		—		31,313		—
U.S. government    agency securities		12,411		—		12,411		—		12,422		—		12,422		—
U.S. treasuries		11,082		—		11,082		—		11,195		—		11,195		—
Mortgage backed    securities		10,231		—		10,231		—		10,630		—		10,630		—
Asset backed securities		9,490		—		9,490		—		13,472		—		13,472		—
Emerging markets		—		—		—		—		1,995		—		1,995		—
Restricted cash and    investments:
U.S. treasuries		118,020		—		118,020		—		102,605		—		102,605		—
Corporate bonds		73,794		—		73,794		—		74,027		—		74,027		—
Mortgage backed    securities		36,544		—		36,544		—		36,861		—		36,861		—
U.S. government    agency securities		15,684		—		15,684		—		15,664		—		15,664		—
Mutual funds		9,641		9,641		—		—		8,941		8,941		—		—
Asset backed securities		797		—		797		—		799		—		799		—
Emerging markets		203		—		203		—		202		—		202		—
Money market funds		107		—		—		107		337		—		—		337
Total investments	$	345,749	$	9,641	$	317,452	$	18,656	$	340,002	$	8,941	$	311,185	$	19,876

(1) Investments in money market funds measured at fair value using the net asset value per share practical expedient are not subject to hierarchy level classification disclosure. The Company invests in money market funds that seek to maintain a stable net asset value. These investments include commingled funds that comprise high-quality short-term securities representing liquid debt and monetary instruments where the redemption value is likely to be the fair value. Redemption is permitted daily without written notice.

Summary of Contractual Maturities of Available for Sale Securities

The following table summarizes the contractual maturities of the Company’s available-for-sale securities at March 31, 2024 and December 31, 2023. Actual maturities may differ from contractual maturities because borrowers may have the right to prepay obligations with or without prepayment penalties. The table also includes money market funds, which are classified as cash and cash equivalents on the Company’s consolidated balance sheets.

	March 31, 2024
(In thousands)	Less than 1 Year		Between 1 to 5 Years		Between 5 to 10 Years		After 10 Years		Total
U.S. treasuries	$	71,700	$	32,671	$	24,731		—	$	129,102
Corporate bonds		4,920		67,561		30,339		170		102,990
U.S. government agency securities		39		27,018		1,038		—		28,095
Money market funds		18,656		—		—		—		18,656
Asset backed securities		—		797		8,199		1,291		10,287
Emerging markets		—		—		203		—		203
Total	$	95,315	$	128,047	$	64,510	$	1,461	$	289,333
	December 31, 2023
(In thousands)	Less than 1 Year		Between 1 to 5 Years		Between 5 to 10 Years		After 10 Years		Total
U.S. treasuries	$	55,955	$	32,706	$	25,139	$	—	$	113,800
Corporate bonds		6,859		67,731		30,574		176		105,340
U.S. government agency securities		39		27,018		1,029		—		28,086
Money market funds		19,876		—		—		—		19,876
Asset backed securities		—		799		12,182		1,290		14,271
Emerging markets		1,995		—		202		—		2,197
Total	$	84,724	$	128,254	$	69,126	$	1,466	$	283,570

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Workers' Compensation Claims (Tables)

3 Months Ended

Mar. 31, 2024

Text Block [Abstract]

Summarizes Aggregate Workers' Compensation Reserve Activity

The following table summarizes the aggregate workers’ compensation reserve activity (in thousands):

	Three Months Ended
	March 31,
	2024			2023
Beginning balance
Workers' compensation claims liabilities	$	167,763		$	215,987
Add: claims expense accrual
Current period		3,600			4,362
Prior periods		(2,992	)		(1,114	)
		608			3,248
Less: claim payments related to
Current period		954			180
Prior periods		9,489			17,480
		10,443			17,660
Change in claims incurred in excess of retention limits		126			66
Ending balance
Workers' compensation claims liabilities	$	158,054		$	201,641

Summary of Risk Retained by Insured Program after Considering Loss Portfolio Transfers and Current Insurance Arrangements

The following is a summary of the risk retained by the Company under its insured program after considering the effects of the loss portfolio transfers and current insurance arrangements:

Year	Claims risk retained
2014	No
2015	No
2016	No
2017	No
2018 (1)	No
2019 (1)	Yes
2020	Yes
2021 - Through June 30	Yes
2021 - July 1 and after	No
2022	No
2023	No
2024	No

(1) The loss portfolio transfers excluded approximately 10% of claims from 2018 and included an approximately offsetting amount of claims from 2019.

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Basis of Presentation of Interim Period Statements - Additional Information (Detail) $ in Thousands		3 Months Ended
	Dec. 31, 2023 USD ($)	Mar. 31, 2024 USD ($) Company shares	Mar. 31, 2023 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Revenue recognition professional employer service contracts term		1 year
Professional employer service contract cancellation and termination period		30 days
Payment term for staffing customers		30 days
Number of wholly-owned insurance companies | Company		2
Cash and cash equivalents, maturity term		3 months
Allowance for doubtful accounts	$ 900	$ 900
Income taxes paid		40	$ 10
Prior period reclassification adjustment	$ 1,300	$ 1,400	$ 300
Potential common shares excluded from calculation of diluted loss per share | shares		135,405

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Basis of Presentation of Interim Period Statements - Schedule of Reconciles of Cash, Cash Equivalents and Restricted Cash Balances (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	$ 51,267	$ 71,168	$ 52,635	$ 91,423
Restricted cash, included in restricted cash and investments	36,562	3,673	15,424	15,955
Total cash, cash equivalents and restricted cash shown in the statements of cash flows	$ 87,829	$ 74,841	$ 68,059	$ 107,378

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Basis of Presentation of Interim Period Statements - Summary of Basic and Diluted Common Shares Outstanding (Detail) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average number of basic shares outstanding	6,570	6,866
Effect of dilutive securities		119
Weighted average number of diluted shares outstanding	6,570	6,985

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Fair Value Measurement - Summary of Investments Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	$ 376,567	$ 368,753
Gross Unrealized (Losses) Gains	(30,818)	(28,751)
Recorded Basis	345,749	340,002
Cash and Cash Equivalents [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	18,549	19,539
Recorded Basis	18,549	19,539
Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	80,131	88,496
Gross Unrealized (Losses) Gains	(7,721)	(7,469)
Recorded Basis	72,410	81,027
Restricted Cash and Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	277,887	260,718
Gross Unrealized (Losses) Gains	(23,097)	(21,282)
Recorded Basis	254,790	239,436
Money Market Funds [Member] | Cash and Cash Equivalents [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	18,549	19,539
Recorded Basis	18,549	19,539
Money Market Funds [Member] | Restricted Cash and Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	107	337
Recorded Basis	107	337
Corporate Bonds [Member] | Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	32,319	34,472
Gross Unrealized (Losses) Gains	(3,123)	(3,159)
Recorded Basis	29,196	31,313
Corporate Bonds [Member] | Restricted Cash and Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	82,816	82,481
Gross Unrealized (Losses) Gains	(9,022)	(8,454)
Recorded Basis	73,794	74,027
U.S. Government Agency Securities [Member] | Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	12,806	12,830
Gross Unrealized (Losses) Gains	(395)	(408)
Recorded Basis	12,411	12,422
U.S. Government Agency Securities [Member] | Restricted Cash and Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	16,854	16,863
Gross Unrealized (Losses) Gains	(1,170)	(1,199)
Recorded Basis	15,684	15,664
U.S. Treasuries [Member] | Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	12,451	12,448
Gross Unrealized (Losses) Gains	(1,369)	(1,253)
Recorded Basis	11,082	11,195
U.S. Treasuries [Member] | Restricted Cash and Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	125,052	109,020
Gross Unrealized (Losses) Gains	(7,032)	(6,415)
Recorded Basis	118,020	102,605
Mortgage Backed Securities [Member] | Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	12,908	13,084
Gross Unrealized (Losses) Gains	(2,677)	(2,454)
Recorded Basis	10,231	10,630
Mortgage Backed Securities [Member] | Restricted Cash and Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	42,418	42,077
Gross Unrealized (Losses) Gains	(5,874)	(5,216)
Recorded Basis	36,544	36,861
Asset Backed Securities [Member] | Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	9,647	13,659
Gross Unrealized (Losses) Gains	(157)	(187)
Recorded Basis	9,490	13,472
Asset Backed Securities [Member] | Restricted Cash and Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	799	799
Gross Unrealized (Losses) Gains	(2)
Recorded Basis	797	799
Emerging Markets [Member] | Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost		2,003
Gross Unrealized (Losses) Gains		(8)
Recorded Basis		1,995
Emerging Markets [Member] | Restricted Cash and Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	200	200
Gross Unrealized (Losses) Gains	3	2
Recorded Basis	203	202
Mutual Funds [Member] | Restricted Cash and Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cost	9,641	8,941
Recorded Basis	$ 9,641	$ 8,941

XML

Fair Value Measurement - Summary of Investments Measured at Fair Value on Recurring Basis (Parenthetical) (Detail) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Fair Value Disclosures [Abstract]
Restricted cash	$ 11.8	$ 3.6

XML

Fair Value Measurement - Summary of Assets Measured at Fair Value on Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	$ 345,749	$ 340,002
Other [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	18,656	19,876
Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	9,641	8,941
Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	317,452	311,185
Cash and Cash Equivalents [Member] | Money Market Funds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	18,549	19,539
Cash and Cash Equivalents [Member] | Money Market Funds [Member] | Other [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	18,549	19,539
Investments [Member] | Corporate Bonds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	29,196	31,313
Investments [Member] | Corporate Bonds [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	29,196	31,313
Investments [Member] | U.S. Government Agency Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	12,411	12,422
Investments [Member] | U.S. Government Agency Securities [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	12,411	12,422
Investments [Member] | U.S. Treasuries [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	11,082	11,195
Investments [Member] | U.S. Treasuries [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	11,082	11,195
Investments [Member] | Mortgage Backed Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	10,231	10,630
Investments [Member] | Mortgage Backed Securities [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	10,231	10,630
Investments [Member] | Asset Backed Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	9,490	13,472
Investments [Member] | Asset Backed Securities [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	9,490	13,472
Investments [Member] | Emerging Markets [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis		1,995
Investments [Member] | Emerging Markets [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis		1,995
Restricted Cash and Investments [Member] | Money Market Funds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	107	337
Restricted Cash and Investments [Member] | Money Market Funds [Member] | Other [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	107	337
Restricted Cash and Investments [Member] | Corporate Bonds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	73,794	74,027
Restricted Cash and Investments [Member] | Corporate Bonds [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	73,794	74,027
Restricted Cash and Investments [Member] | U.S. Government Agency Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	15,684	15,664
Restricted Cash and Investments [Member] | U.S. Government Agency Securities [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	15,684	15,664
Restricted Cash and Investments [Member] | U.S. Treasuries [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	118,020	102,605
Restricted Cash and Investments [Member] | U.S. Treasuries [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	118,020	102,605
Restricted Cash and Investments [Member] | Mortgage Backed Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	36,544	36,861
Restricted Cash and Investments [Member] | Mortgage Backed Securities [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	36,544	36,861
Restricted Cash and Investments [Member] | Asset Backed Securities [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	797	799
Restricted Cash and Investments [Member] | Asset Backed Securities [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	797	799
Restricted Cash and Investments [Member] | Emerging Markets [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	203	202
Restricted Cash and Investments [Member] | Emerging Markets [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	203	202
Restricted Cash and Investments [Member] | Mutual Funds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	9,641	8,941
Restricted Cash and Investments [Member] | Mutual Funds [Member] | Level 1 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Total Recorded Basis	$ 9,641	$ 8,941

XML

Fair Value Measurement - Summary of Contractual Maturities of Available for Sale Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Available for sale securities, contractual maturities less than 1 year	$ 95,315	$ 84,724
Available for sale securities, contractual maturities between 1 to 5 years	128,047	128,254
Available for sale securities, contractual maturities between 5 to 10 years	64,510	69,126
Available for sale securities, contractual maturities after 10 years	1,461	1,466
Available for sale securities, contractual maturities, Total	289,333	283,570
U.S. Treasuries [Member]
Schedule Of Available For Sale Securities [Line Items]
Available for sale securities, contractual maturities less than 1 year	71,700	55,955
Available for sale securities, contractual maturities between 1 to 5 years	32,671	32,706
Available for sale securities, contractual maturities between 5 to 10 years	24,731	25,139
Available for sale securities, contractual maturities, Total	129,102	113,800
Corporate Bonds [Member]
Schedule Of Available For Sale Securities [Line Items]
Available for sale securities, contractual maturities less than 1 year	4,920	6,859
Available for sale securities, contractual maturities between 1 to 5 years	67,561	67,731
Available for sale securities, contractual maturities between 5 to 10 years	30,339	30,574
Available for sale securities, contractual maturities after 10 years	170	176
Available for sale securities, contractual maturities, Total	102,990	105,340
U.S. Government Agency Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Available for sale securities, contractual maturities less than 1 year	39	39
Available for sale securities, contractual maturities between 1 to 5 years	27,018	27,018
Available for sale securities, contractual maturities between 5 to 10 years	1,038	1,029
Available for sale securities, contractual maturities, Total	28,095	28,086
Money Market Funds [Member]
Schedule Of Available For Sale Securities [Line Items]
Available for sale securities, contractual maturities less than 1 year	18,656	19,876
Available for sale securities, contractual maturities, Total	18,656	19,876
Asset Backed Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Available for sale securities, contractual maturities between 1 to 5 years	797	799
Available for sale securities, contractual maturities between 5 to 10 years	8,199	12,182
Available for sale securities, contractual maturities after 10 years	1,291	1,290
Available for sale securities, contractual maturities, Total	10,287	14,271
Emerging Markets [Member]
Schedule Of Available For Sale Securities [Line Items]
Available for sale securities, contractual maturities less than 1 year		1,995
Available for sale securities, contractual maturities between 5 to 10 years	203	202
Available for sale securities, contractual maturities, Total	$ 203	$ 2,197

XML

Fair Value Measurement - Additional Information (Detail)	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Average contractual maturity period	21 years	23 years
Investment, Type [Extensible Enumeration]	Collateralized Mortgage-Backed Securities [Member]	Collateralized Mortgage-Backed Securities [Member]

XML

Workers' Compensation Claims - Summarizes Aggregate Workers' Compensation Reserve Activity (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Workers Compensation Reserve [Abstract]
Workers' compensation claims liabilities, Beginning balance	$ 167,763	$ 215,987
Add: claims expense accrual
Current period	3,600	4,362
Prior periods	(2,992)	(1,114)
Total expense accrual	608	3,248
Less: claim payments related to
Current period	954	180
Prior periods	9,489	17,480
Total paid	10,443	17,660
Change in claims incurred in excess of retention limits	126	66
Workers' compensation claims liabilities, Ending balance	$ 158,054	$ 201,641

XML

Workers' Compensation Claims - Additional Information (Detail) - USD ($)			3 Months Ended	6 Months Ended	12 Months Ended	36 Months Ended
	Jul. 01, 2021	Jun. 29, 2020	Mar. 31, 2024	Jun. 30, 2020	Dec. 31, 2023	Jun. 30, 2024	Mar. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance in Chubb trust accounts			$ 234,200,000		$ 210,900,000
Workers compensation liability			158,054,000		167,763,000		$ 201,641,000	$ 215,987,000
Collateral securities maintain to cover potential workers compensation claims losses			48,100,000		48,100,000
Surety bonds and standby letters of credit			48,100,000
Reserves and IBNR in excess of retention limits incurred but not reported			6,100,000		6,000,000.0
Scenario Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Description of renewed agreement						Effective July 1, 2021, the Company entered into a new arrangement for its insured program, whereby third-party insurers assumed all risk of loss for claims incurred from July 1, 2021 to June 30, 2022 (the “2021-2022 Policy”). The arrangement for the insured program was extended for claims incurred from July 1, 2022 to June 30, 2023 (the “2022-2023 Policy”) and for claims incurred from July 1, 2023 to June 30, 2024 (the “2023-2024 Policy”).
Other Assets [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accrual for costs incurred in excess of retention limits offset by a receivable			6,100,000		$ 6,000,000
2021-2022 Policy [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum savings amount for twelve month policy period, if claims develop favorably			20,000,000
Maximum additional premium charged amount for twelve month policy period, if claims develop adversely			7,500,000
2022-2023 Policy [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum savings amount for twelve month policy period, if claims develop favorably			22,500,000
Maximum additional premium charged amount for twelve month policy period, if claims develop adversely			0
2023-2024 Policy [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum savings amount for twelve month policy period, if claims develop favorably			28,500,000
Maximum additional premium charged amount for twelve month policy period, if claims develop adversely			$ 0
Self Insured Programs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of worker's compensation exposure covered			15.00%
Worker's compensation risk claim maximum			$ 3,000,000.0	$ 5,000,000.0
Self Insured Programs [Member] | Maryland [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reinsurance coverage			1,000,000.0	1,000,000.0
Self Insured Programs [Member] | Colorado [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reinsurance coverage			$ 2,000,000.0	$ 2,000,000.0
Insured Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of worker's compensation exposure covered			85.00%
Worker's compensation risk claim maximum	$ 3,000,000
Worker's compensation risk claim maximum		$ 5,000,000

XML

Worker's Compensation Claims - Summary of Risk Retained by Insured Program after Considering Loss Portfolio Transfers and Current Insurance Arrangements (Details)	3 Months Ended
	Mar. 31, 2024
2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	No
2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	No
2016 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	No
2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	No
2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	No
2019 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	Yes
2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	Yes
2021 - Through June 30 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	Yes
2021 - July 1 and After [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	No
2022 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	No
2023 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	No
2024 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Claims risk retained	No

XML

Worker's Compensation Claims - Summary of Risk Retained by Insured Program after Considering Loss Portfolio Transfers and Current Insurance Arrangements (Parenthetical) (Details)	3 Months Ended
	Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]
Percentage of claim excluded	10.00%

XML

Revolving Credit Facility and Long-Term Debt - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023
Line of Credit Facility [Line Items]
Line of credit facility commitment fee description	The Agreement also provides for an unused commitment fee of 0.35% per year on the average daily unused amount of the revolving credit line, as well as a fee of 1.75% of the face amount of each letter of credit reserved under the line of credit.
Agreement [Member]
Line of Credit Facility [Line Items]
Outstanding balance on term loan and revolving credit facility	$ 0	$ 0
Dividends or distributions paid	0
Maximum amount to redeem retire repurchase or acquire stock upon agreement	15,000,000
Minimum [Member]
Line of Credit Facility [Line Items]
Tangible net worth amount	50,000,000	50,000,000	$ 50,000,000	$ 50,000,000
Minimum [Member] | Agreement [Member]
Line of Credit Facility [Line Items]
EBITDA	10,000,000	$ 10,000,000	$ 10,000,000	$ 10,000,000
Maximum [Member] | Agreement [Member]
Line of Credit Facility [Line Items]
Prohibition on incurring additional indebtedness without the prior approval of the Bank in purchase money financing	1,000,000
Revolving Credit Facility [Member] | Agreement [Member]
Line of Credit Facility [Line Items]
Credit facility borrowing capacity	$ 50,000,000
Unused commitment fee on unused amount during period	0.35%
Revolving Credit Facility [Member] | SOFR [Member]
Line of Credit Facility [Line Items]
Term loan from bank interest rate description	the daily Simple Secured Overnight Financing Rate (“SOFR”) plus 1.75% or (b) one-month Term SOFR plus 1.75%.
Revolving Credit Facility [Member] | SOFR [Member] | Agreement [Member]
Line of Credit Facility [Line Items]
SOFR plus rate	1.75%
Revolving Credit Facility [Member] | One-Month Term SOFR [Member]
Line of Credit Facility [Line Items]
Term loan from bank interest rate description	one-month Term SOFR plus 1.75
SOFR plus rate	1.75%
Standby Letters of Credit [Member] | Agreement [Member]
Line of Credit Facility [Line Items]
Credit facility borrowing capacity	$ 25,000,000
Line of Credit [Member] | Agreement [Member]
Line of Credit Facility [Line Items]
Unused commitment fee on unused amount	1.75%

XML

Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended	12 Months Ended	48 Months Ended
	Mar. 31, 2024	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2023
Income Tax Contingency [Line Items]
Income tax examination estimated penalty			$ 1,700,000
Gross unrecognized tax benefits	$ 500,000			$ 500,000
Operating loss carryforward	0
Federal General Business Tax Credit Carry Forward [Member]
Income Tax Contingency [Line Items]
Tax credit carryforwards	0
Alternative Minimum Tax Credit Carry Forward [Member]
Income Tax Contingency [Line Items]
Tax credit carryforwards	$ 0
Internal Revenue Service [Member]
Income Tax Contingency [Line Items]
Wage based tax credits claimed amount to be disallowed results estimated additional tax due		$ 600,000	$ 7,400,000
Internal Revenue Service [Member] | Minimum [Member]
Income Tax Contingency [Line Items]
Ongoing audit for tax years	2017
Internal Revenue Service [Member] | Minimum [Member] | Wage Based Tax Credits [Member]
Income Tax Contingency [Line Items]
Ongoing audit for tax years	2017
Internal Revenue Service [Member] | Maximum [Member]
Income Tax Contingency [Line Items]
Ongoing audit for tax years	2021
Internal Revenue Service [Member] | Maximum [Member] | Wage Based Tax Credits [Member]
Income Tax Contingency [Line Items]
Ongoing audit for tax years	2020

XML

Litigation - Additional Information (Detail) $ in Millions	Mar. 31, 2024 USD ($)
Accrued Liabilities [Member]
Loss Contingencies [Line Items]
Estimated liability	$ 0.1