10-Q

Table of Contents‌

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 quarter ended March 31, 2024

OR

☐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 1-13905

COMPX INTERNATIONAL INC.

(Exact name of Registrant as specified in its charter)

DELAWARE	57-0981653
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)

5430 LBJ Freeway, Suite 1700

Dallas, Texas 75240-2620

(Address of principal executive offices)

Registrant’s telephone number, including area code (972) 448-1400

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Class A common stock	CIX	NYSE American

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 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 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 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 30, 2024, the registrant had 12,313,757 shares of Class A common stock, $.01 par value per share, outstanding.

COMPX INTERNATIONAL INC.

Index

		Page
Part I.	FINANCIAL INFORMATION
Item 1.	Financial Statements
	Condensed Consolidated Balance Sheets – December 31, 2023 and March 31, 2024 (unaudited)	- 3 -
	Condensed Consolidated Statements of Income and Comprehensive Income (unaudited) – Three months ended March 31, 2023 and 2024	- 4 -
	Condensed Consolidated Statements of Stockholders’ Equity (unaudited) – Three months ended March 31, 2023 and 2024	- 5 -
	Condensed Consolidated Statements of Cash Flows (unaudited) – Three months ended March 31, 2023 and 2024	- 6 -
	Notes to Condensed Consolidated Financial Statements (unaudited)	- 7 -
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	- 11 -
Item 3.	Quantitative and Qualitative Disclosure About Market Risk	- 16 -
Item 4.	Controls and Procedures	- 16 -
Part II.	OTHER INFORMATION
Item 1A.	Risk Factors	- 18 -
Item 6.	Exhibits	- 18 -

Items 2, 3, 4 and 5 of Part II are omitted because there is no information to report.

- 2 -

COMPX INTERNATIONAL INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands)

	December 31,		March 31,
ASSETS	2023		2024
			(unaudited)
Current assets:
Cash and cash equivalents	$	41,393	$	51,866
Marketable securities		35,354		23,701
Accounts receivable, net		17,061		17,329
Inventories, net		30,712		27,543
Prepaid expenses and other		2,110		1,807
Total current assets		126,630		122,246
Other assets:
Note receivable from affiliate		10,600		9,800
Goodwill		23,742		23,742
Other noncurrent assets		769		747
Total other assets		35,111		34,289
Property and equipment:
Land		5,390		5,390
Buildings		23,239		23,262
Equipment		74,315		74,650
Construction in progress		676		536
		103,620		103,838
Less accumulated depreciation		77,757		78,654
Net property and equipment		25,863		25,184
Total assets	$	187,604	$	181,719
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable and accrued liabilities	$	15,745	$	9,697
Income taxes payable to affiliate		1,460		1,725
Total current liabilities		17,205		11,422
Noncurrent liabilities:
Deferred income taxes		1,509		1,359
Other		41		34
Total noncurrent liabilities		1,550		1,393
Stockholders' equity:
Preferred stock		—		—
Class A common stock		123		123
Additional paid-in capital		53,275		53,275
Retained earnings		115,457		115,517
Accumulated other comprehensive loss -   unrealized loss on marketable securities		(6)		(11)
Total stockholders' equity		168,849		168,904
Total liabilities and stockholders’ equity	$	187,604	$	181,719

Commitments and contingencies (Note 1)

See accompanying Notes to Condensed Consolidated Financial Statements.

- 3 -

COMPX INTERNATIONAL INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME

(In thousands, except per share data)

	Three months ended
	March 31,
	2023		2024
	(unaudited)
Net sales	$	41,151	$	37,971
Cost of sales		28,447		28,304
Gross margin		12,704		9,667
Selling, general and administrative expense		5,664		5,952
Operating income		7,040		3,715
Interest income		947		1,224
Income before income taxes		7,987		4,939
Provision for income taxes		1,919		1,185
Net income	$	6,068	$	3,754
Other comprehensive loss, marketable securities adjustment:
Unrealized loss arising during year, net		(30)		(5)
Comprehensive income	$	6,038	$	3,749
Basic and diluted net income per common share	$	.49	$	.31
Basic and diluted weighted average shares outstanding		12,307		12,314

See accompanying Notes to Condensed Consolidated Financial Statements.

- 4 -

COMPX INTERNATIONAL INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(In thousands)

	Three months ended March 31, 2023 and 2024 (unaudited)
							Accumulated
	Class A		Additional				other		Total
	common		paid-in		Retained		comprehensive		stockholders'
	stock		capital		earnings		loss		equity
Balance at December 31, 2022	$	123	$	53,155	$	105,175	$	(17)	$	158,436
Net income		—		—		6,068		—		6,068
Cash dividends ($.25 per share)		—		—		(3,077)		—		(3,077)
Other comprehensive loss		—		—		—		(30)		(30)
Balance at March 31, 2023	$	123	$	53,155	$	108,166	$	(47)	$	161,397
Balance at December 31, 2023	$	123	$	53,275	$	115,457	$	(6)	$	168,849
Net income		—		—		3,754		—		3,754
Cash dividends ($.30 per share)		—		—		(3,694)		—		(3,694)
Other comprehensive loss		—		—		—		(5)		(5)
Balance at March 31, 2024	$	123	$	53,275	$	115,517	$	(11)	$	168,904

See accompanying Notes to Condensed Consolidated Financial Statements.

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COMPX INTERNATIONAL INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

	Three months ended
	March 31,
	2023		2024
	(unaudited)
Cash flows from operating activities:
Net income	$	6,068	$	3,754
Depreciation and amortization		1,010		926
Deferred income taxes		(250)		(151)
Noncash interest income		(380)		(351)
Other, net		44		58
Change in assets and liabilities:
Accounts receivable, net		(842)		(264)
Inventories, net		1,012		3,107
Accounts payable and accrued liabilities		(4,543)		(5,990)
Accounts with affiliates		998		265
Prepaids and other, net		(52)		318
Net cash provided by operating activities		3,065		1,672
Cash flows from investing activities:
Capital expenditures		(270)		(305)
Marketable securities:
Purchases		(13,479)		—
Proceeds from maturities		4,000		12,000
Note receivable from affiliate:
Collections		7,800		6,000
Advances		(6,800)		(5,200)
Net cash provided by (used in) investing activities		(8,749)		12,495
Cash flows from financing activities:
Dividends paid		(3,077)		(3,694)
Cash and cash equivalents - net change from:
Operating, investing and financing activities		(8,761)		10,473
Balance at beginning of period		26,748		41,393
Balance at end of period	$	17,987	$	51,866
Supplemental disclosures -
Cash paid for income taxes	$	1,171	$	1,071

See accompanying Notes to Condensed Consolidated Financial Statements.

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COMPX INTERNATIONAL INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2024

(unaudited)

Note 1 – Organization and basis of presentation:

Organization. We (NYSE American: CIX) were approximately 87% owned by NL Industries, Inc. (NYSE: NL) at March 31, 2024. At March 31, 2024, Valhi, Inc. (NYSE: VHI) owned approximately 83% of NL’s outstanding common stock and a wholly-owned subsidiary of Contran Corporation owned approximately 91% of Valhi’s outstanding common stock. A majority of Contran’s outstanding voting stock is held directly by Lisa K. Simmons, Thomas C. Connelly (the husband of Ms. Simmons’ late sister) and various family trusts established for the benefit of Ms. Simmons, Mr. Connelly and their children and for which Ms. Simmons, Mr. Connelly or Mr. Connelly’s sister, as applicable, serve as trustee (collectively, the “Other Trusts”). With respect to the Other Trusts for which Mr. Connelly or his sister serves as trustee, the trustee is required to vote the shares of Contran voting stock held in such trusts in the same manner as Ms. Simmons. Such voting rights of Ms. Simmons last through April 22, 2030 and are personal to Ms. Simmons. The remainder of Contran’s outstanding voting stock is held by another trust (the “Family Trust”), which was established for the benefit of Ms. Simmons and her late sister and their children and for which a third-party financial institution serves as trustee. Consequently, at March 31, 2024 Ms. Simmons and the Family Trust may be deemed to control Contran, and therefore may be deemed to indirectly control the wholly-owned subsidiary of Contran, Valhi, NL and us.

Basis of presentation. Consolidated in this Quarterly Report are the results of CompX International Inc. and its subsidiaries. The unaudited Condensed Consolidated Financial Statements contained in this Quarterly Report have been prepared on the same basis as the audited Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2023 that we filed with the Securities and Exchange Commission (“SEC”) on February 28, 2024 (the “2023 Annual Report”). In our opinion, we have made all necessary adjustments (which include only normal recurring adjustments) in order to state fairly, in all material respects, our consolidated financial position, results of operations and cash flows as of the dates and for the periods presented. We have condensed the Consolidated Balance Sheet at December 31, 2023 contained in this Quarterly Report as compared to our audited Consolidated Financial Statements at that date, and we have omitted certain information and footnote disclosures (including those related to the Consolidated Balance Sheet at December 31, 2023) normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”). Our results of operations for the interim period ended March 31, 2024 may not be indicative of our operating results for the full year. The Condensed Consolidated Financial Statements contained in this Quarterly Report should be read in conjunction with our 2023 Consolidated Financial Statements contained in our 2023 Annual Report.

Our operations are reported on a 52 or 53-week year. For presentation purposes, annual and quarterly information in the Condensed Consolidated Financial Statements and accompanying notes are presented as ended March 31, 2023, December 31, 2023 and March 31, 2024. The actual dates of our annual and quarterly periods are April 2, 2023, December 31, 2023 and March 31, 2024, respectively. Unless otherwise indicated, references in this report to “we”, “us” or “our” refer to CompX International Inc. and its subsidiaries, taken as a whole.

- 7 -

Note 2 – Business segment information:

	Three months ended
	March 31,
	2023		2024
	(In thousands)
Net sales:
Security Products	$	27,342	$	29,887
Marine Components		13,809		8,084
Total net sales	$	41,151	$	37,971
Operating income:
Security Products	$	5,379	$	5,450
Marine Components		3,317		34
Corporate operating expenses		(1,656)		(1,769)
Total operating income		7,040		3,715
Interest income		947		1,224
Income before income taxes	$	7,987	$	4,939

Intersegment sales are not material.

n

Note 3 – Marketable securities:

			Amortized		Unrealized
	Market value		cost basis		loss, net
	(In thousands)
December 31, 2023:
Current assets	$	35,354	$	35,359	$	(5)
March 31, 2024:
Current assets	$	23,701	$	23,712	$	(11)

Our marketable securities consist of investments in debt securities, currently U.S. government treasuries. We classify our marketable securities as available-for-sale. The fair value of our marketable securities is generally determined using Level 2 inputs because although these securities are traded, in many cases the market is not active and the quarter-end valuation is generally based on the last trade of the quarter, which may be several days prior to quarter end. We accumulate unrealized gains and losses on marketable debt securities as part of accumulated other comprehensive income (loss), net of related deferred income taxes.

Note 4 – Accounts receivable, net:

	December 31,		March 31,
	2023		2024
	(In thousands)
Accounts receivable, net:
Security Products	$	14,950	$	14,293
Marine Components		2,181		3,106
Allowance for doubtful accounts		(70)		(70)
Total accounts receivable, net	$	17,061	$	17,329

- 8 -

Note 5 – Inventories, net:

	December 31,		March 31,
	2023		2024
	(In thousands)
Raw materials:
Security Products	$	3,569	$	3,352
Marine Components		2,169		1,634
Total raw materials		5,738		4,986
Work-in-process:
Security Products		13,879		12,969
Marine Components		5,163		4,746
Total work-in-process		19,042		17,715
Finished goods:
Security Products		3,175		2,712
Marine Components		2,757		2,130
Total finished goods		5,932		4,842
Total inventories, net	$	30,712	$	27,543

Note 6 – Accounts payable and accrued liabilities:

	December 31,		March 31,
	2023		2024
	(In thousands)
Accounts payable:
Security Products	$	2,514	$	2,358
Marine Components		634		643
Corporate		—		73
Accrued liabilities:
Employee benefits		10,712		4,819
Taxes other than on income		285		453
Insurance		289		269
Deferred revenue		559		104
Customer tooling		145		254
Advances from customers		267		162
Other		340		562
Total accounts payable and accrued liabilities	$	15,745	$	9,697

Note 7 – Provision for income taxes:

	Three months ended
	March 31,
	2023		2024
	(In thousands)
Expected tax expense, at the U.S. federal statutory   income tax rate of 21%	$	1,677	$	1,037
State income taxes		240		145
Other, net		2		3
Total provision for income taxes	$	1,919	$	1,185
Comprehensive provision for income taxes allocable to:
Net income	$	1,919	$	1,185
Other comprehensive loss - marketable securities		(13)		(1)
Total	$	1,906	$	1,184

- 9 -

Note 8 – Financial instruments:

See Note 3 for information on how we determine the fair value of our marketable securities.

The following table presents the financial instruments that are not carried at fair value but which require fair value disclosure:

	December 31, 2023				March 31, 2024
	Carrying		Fair		Carrying		Fair
	amount		value		amount		value
	(In thousands)
Cash and cash equivalents	$	41,393	$	41,393	$	51,866	$	51,866
Accounts receivable, net		17,061		17,061		17,329		17,329
Accounts payable		3,148		3,148		3,074		3,074

Due to their near-term maturities, the carrying amounts of accounts receivable and accounts payable are considered equivalent to fair value.

Note 9 – Related party transactions:

From time to time, we may have loans and advances outstanding between us and various related parties pursuant to term and demand notes. We generally enter into these loans and advances for cash management purposes. When we loan funds to related parties, we are generally able to earn a higher rate of return on the loan than we would earn if we invested the funds in other instruments, and when we borrow from related parties, we are generally able to pay a lower rate of interest than we would pay if we had incurred third-party indebtedness. While certain of these loans to affiliates may be of a lesser credit quality than cash equivalent instruments otherwise available to us, we believe we have considered the credit risks in the terms of the applicable loans. In this regard, we have an unsecured revolving demand promissory note with Valhi under which, as amended, we agreed to loan Valhi up to $25 million. Our loan to Valhi, as amended, bears interest at prime plus 1.00%, payable quarterly, with all principal due on demand, but in any event no earlier than December 31, 2025. Loans made to Valhi at any time under the agreement are at our discretion. At March 31, 2024, the outstanding principal balance receivable from Valhi under the promissory note was $9.8 million. Interest income (including unused commitment fees) on our loan to Valhi was $.3 million for each of the three months ended March 31, 2023 and 2024, respectively.

Note 10 – Recent Accounting Pronouncements:

In November 2023, the Financial Accounting Standards Board (“FASB”) issued ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. The ASU requires public companies to disclose significant segment expenses and other segment items on an annual and interim basis. The ASU also mandates public companies to provide all annual segment disclosures currently required annually in interim periods. Public companies will also be required to disclose the title and position of the chief operating decision maker (“CODM”) and explain how the CODM uses the reported measure of segment profit or loss in assessing segment performance and allocation of resources. The ASU is effective for us beginning with our 2024 Annual Report, and for interim reporting, in the first quarter of 2025, with retrospective application required. We are in the process of evaluating the additional disclosure requirements across all segments.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The ASU requires additional annual disclosure and disaggregation for the rate reconciliation, income taxes paid and income tax expense by federal, state and foreign tax jurisdictions. In addition, the standard increases the disclosure requirements for items included in the rate reconciliation that meet a quantitative threshold. The ASU is effective for us beginning with our 2025 Annual Report. The ASU may be applied prospectively; however, entities have the option to apply it retrospectively. We are in the process of evaluating the additional disclosure requirements.

- 10 -

ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Business Overview

We are a leading manufacturer of engineered components utilized in a variety of applications and industries. Through our Security Products segment we manufacture mechanical and electrical cabinet locks and other locking mechanisms used in postal, recreational transportation, office and institutional furniture, cabinetry, tool storage and healthcare applications. We also manufacture wake enhancement systems, stainless steel exhaust systems, gauges, throttle controls, trim tabs and related hardware and accessories for the recreational marine and other industries through our Marine Components segment.

General

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. Statements in this Quarterly Report that are not historical facts are forward-looking in nature and represent management’s beliefs and assumptions based on currently available information. In some cases, you can identify forward-looking statements by the use of words such as “believes,” “intends,” “may,” “should,” “could,” “anticipates,” “expects” or comparable terminology, or by discussions of strategies or trends. Although we believe that the expectations reflected in such forward-looking statements are reasonable, we do not know if these expectations will be correct. Such statements by their nature involve substantial risks and uncertainties that could significantly impact expected results. Actual future results could differ materially from those predicted. The factors that could cause actual future results to differ materially from those described herein are the risks and uncertainties discussed in this Quarterly Report and those described from time to time in our other filings with the SEC and include, but are not limited to, the following:

● Future demand for our products,

● Changes in our raw material and other operating costs (such as zinc, brass, aluminum, steel and energy costs) and our ability to pass those costs on to our customers or offset them with reductions in other operating costs,

● Price and product competition from low-cost manufacturing sources (such as China),

● The impact of pricing and production decisions,

● Customer and competitor strategies including substitute products,

● Uncertainties associated with the development of new products and product features,

● Future litigation,

● Our ability to protect or defend our intellectual property rights,

● Potential difficulties in integrating future acquisitions,

● Decisions to sell operating assets other than in the ordinary course of business,

● Environmental matters (such as those requiring emission and discharge standards for existing and new facilities),

● The ultimate outcome of income tax audits, tax settlement initiatives or other tax matters, including future tax reform,

● Government laws and regulations and possible changes therein, including new environmental, health, safety, sustainability or other regulations,

● General global economic and political conditions that disrupt our supply chain, reduce demand or perceived demand for component products or impair our ability to operate our facilities (including changes in the level of gross domestic product in various regions of the world, natural disasters, terrorist acts, global conflicts and public health crises),

- 11 -

● Operating interruptions (including, but not limited to, labor disputes, leaks, natural disasters, fires, explosions, unscheduled or unplanned downtime, transportation interruptions, certain regional and world events or economic conditions and public health crises);

● Technology related disruptions (including, but not limited to, cyber attacks; software implementation, upgrades or improvements; technology processing failures; or other events) related to our technology infrastructure that could impact our ability to continue operations, or at key vendors which could impact our supply chain, or at key customers which could impact their operations and cause them to curtail or pause orders; and

● Possible disruption of our business or increases in the cost of doing business resulting from terrorist activities or global conflicts.

Should one or more of these risks materialize or if the consequences worsen, or if the underlying assumptions prove incorrect, actual results could differ materially from those currently forecasted or expected. We disclaim any intention or obligation to update or revise any forward-looking statement whether as a result of changes in information, future events or otherwise.

Operating Income Overview

In the first quarter of 2024 operating income decreased to $3.7 million compared to $7.0 million in the first quarter of 2023. The decrease in operating income in the first quarter of 2024 compared to 2023 is primarily due to lower Marine Components sales and gross margin.

We sell a large number of products that have a wide variation in selling price and manufacturing cost, which results in certain practical limitations on our ability to quantify the impact of changes in individual product sales quantities and selling prices on our net sales, cost of sales and gross margin. In addition, small variations in period-to-period net sales, cost of sales and gross margin can result from changes in the relative mix of our products sold.

Results of Operations

	Three months ended
	March 31,
	2023		%		2024		%
	(Dollars in thousands)
Net sales	$	41,151	100.0	%	$	37,971	100.0	%
Cost of sales		28,447	69.1			28,304	74.5
Gross margin		12,704	30.9			9,667	25.5
Operating costs and expenses		5,664	13.8			5,952	15.7
Operating income	$	7,040	17.1	%	$	3,715	9.8	%

Net sales. Net sales decreased $3.2 million in the first quarter of 2024 compared to the same period in 2023 due to lower Marine Components sales primarily to the towboat market, partially offset by higher Security Products sales to the government security market. See segment discussion below.

Cost of sales and gross margin. Cost of sales as a percentage of sales increased 5.4% in the first quarter of 2024 compared to the same period in 2023. As a result, gross margin as a percentage of sales decreased over the same period. Gross margin percentage decreased in the first quarter of 2024 compared to the same period in 2023 primarily due to lower gross margin percentages at both Marine Components and Security Products. See segment discussion below.

Operating costs and expenses. Operating costs and expenses consist primarily of sales and administrative-related personnel costs, sales commissions and advertising expenses directly related to product sales and administrative costs relating to business unit and corporate management activities, as well as any gains and losses on property and equipment. Operating costs and expenses for the first quarter of 2024 increased $.3 million compared to the same period in 2023 primarily due to higher employee salaries and benefits at Security Products. Operating costs and expenses as a percentage of net sales increased for the first quarter of 2024 due to the increased operating costs and expenses mentioned above and decreased coverage of operating costs and expenses as a result of lower sales.

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Operating income. As a percentage of net sales, operating income for the first quarter of 2024 decreased compared to the same period of 2023 and was primarily impacted by the factors impacting sales, cost of sales, gross margin and operating costs and expenses. See segment discussion below.

Interest income. Interest income increased $.3 million in the first quarter of 2024 compared to the same period in 2023 primarily due to higher average interest rates and increased investment balances, somewhat offset by lower average balances on the revolving promissory note receivable from Valhi. See Notes 3 and 9 to our Condensed Consolidated Financial Statements.

Provision for income taxes. A tabular reconciliation of our actual tax provision to the U.S. federal statutory income tax rate is included in Note 7 to the Condensed Consolidated Financial Statements. Our operations are wholly within the U.S. and therefore our effective income tax rate is primarily reflective of the U.S. federal statutory rate and applicable state taxes.

Segment Results

The key performance indicator for our segments is operating income.

	Three months ended
	March 31,						%
	2023			2024			Change
	(Dollars in thousands)
Security Products:
Net sales	$	27,342		$	29,887		9	%
Cost of sales		18,875			21,115		12
Gross margin		8,467			8,772		4
Operating costs and expenses		3,088			3,322		8
Operating income	$	5,379		$	5,450		1
Gross margin		31.0	%		29.4	%
Operating income margin		19.7			18.2

Security Products. Security Products net sales increased 9% in the first quarter of 2024 compared to the same period last year primarily due to $1.8 million higher sales to the government security market. Gross margin as a percentage of net sales decreased for the first quarter of 2024 compared to the same period in 2023 primarily due to the relative changes in fixed costs allocated to cost of sales during the quarter. Additionally, a less favorable customer and product mix in the first quarter of 2024 negatively impacted gross margin as a percentage of net sales over the comparable period. Operating income as a percentage of net sales decreased in the first quarter of 2024 compared to the same period in 2023 due to the factors impacting gross margin, as well as increased operating costs and expenses, including higher employee salaries and benefits of $.2 million.

	Three months ended
	March 31,						%
	2023			2024			Change
	(Dollars in thousands)
Marine Components:
Net sales	$	13,809		$	8,084		(41)	%
Cost of sales		9,572			7,189		(25)
Gross margin		4,237			895		(79)
Operating costs and expenses		920			861		(6)
Operating income	$	3,317		$	34		(99)
Gross margin		30.7	%		11.1	%
Operating income margin		24.0			.4

Marine Components. Marine Components net sales decreased 41% in the first quarter of 2024 compared to the same period last year primarily due to the decline in sales to the towboat market. Relative to the first quarter of 2023, sales

- 13 -

were $4.3 million lower to the towboat market, $.7 million lower to the industrial market, $.3 million lower to the engine builder market and $.3 million lower to distributors. Gross margin as a percentage of net sales decreased in the first quarter of 2024 compared to the same period last year primarily due to higher cost inventory produced during the fourth quarter of 2023 and sold in the first quarter of 2024. Marine Components inventory produced during the fourth quarter of 2023 had a higher carrying value due to higher production cost per unit as a result of lower production volumes. Additionally, gross margin and operating income margin were unfavorably impacted by decreased coverage of production costs, operating costs and expenses on lower sales.

Outlook. In the first quarter of 2024, Security Products benefitted from increased sales of mechanical locks to the government security market while the other markets we serve were relatively flat compared to the same period of 2023. At Marine Components, the decline in sales to the towboat market as a result of the contraction in the recreational marine industry that began late in the first quarter of 2023 has continued. We are focused on aligning our resources with current demand levels, and particularly at Marine Components, we are adjusting inventory levels, operating expenses and labor resources to align with current demand while also preserving our ability to respond quickly when demand increases. Generally, raw material prices have stabilized, our supply chains are stable and transportation and logistical delays are minimal. We have adjusted our order patterns in response to the stability of our raw material supplies.

We expect Security Products sales in 2024 will be lower than 2023 as the sluggishness we have experienced across a variety of the markets Security Products serves has continued through the first quarter of 2024 with customers continuing to express uncertainty regarding sustained consumer demand levels. In addition, we do not expect 2024 sales to benefit from the pilot project to a government security customer we completed largely in the fourth quarter of 2023. After implementing aggressive price increases over the last several years to maintain operating margins, we expect only modest price increases in 2024. Overall, we expect Security Products gross margin will be comparable to 2023, although we expect operating income as a percentage of sales to decline due to our limited pricing power along with reduced coverage of selling, general and administrative costs as a result of lower expected sales. We expect Marine Components net sales for the full year of 2024 to be lower as compared to 2023 because we believe demand in the towboat market will further decline. The recreational marine industry faces strong headwinds due to higher interest rates and broader market weakness. Several original equipment boat manufacturers, including certain of our customers, have publicly announced reduced production schedules for 2024. Overall, we expect Marine Components gross margin as a percentage of net sales for 2024 to be lower than 2023 due to lower coverage of fixed overhead as a result of lower expected sales, and operating income as a percentage of net sales will similarly be lower as a result of reduced coverage of selling, general and administrative expenses due to lower expected sales. We ended 2023 with elevated inventory balances at our Marine Components segment as a result of increased orders of certain raw materials due to previously long lead times coupled with the rapidly changing towboat demand which created a misalignment of our raw materials with near term demand. We made significant progress in aligning our Marine Components inventory balances with current demand in the first quarter of 2024 and expect this alignment to be complete by mid-year 2024.  

Our expectations for our operations and the markets we serve are based on a number of factors outside our control. We have experienced global and domestic supply chain challenges, and any future impacts on our operations will depend on, among other things, any future disruption in our operations or our suppliers’ operations, the impact of economic conditions and geopolitical events on demand for our products or our customers’ and suppliers’ operations, all of which remain uncertain and cannot be predicted.

Liquidity and Capital Resources

Consolidated cash flows –

Operating activities. Trends in cash flows from operating activities, excluding changes in assets and liabilities, have generally been similar to the trends in operating earnings. Changes in assets and liabilities result primarily from the timing of production, sales and purchases. Changes in assets and liabilities generally tend to even out over time. However, period-to-period relative changes in assets and liabilities can significantly affect the comparability of cash flows from operating activities.

- 14 -

Our net cash provided by operating activities for the first three months of 2024 decreased by $1.4 million as compared to the first three months of 2023.  The decrease in net cash provided is primarily due to the net effects of:

● A $3.3 million decrease in operating income in 2024,

● A $1.6 million decrease in the amount of net cash used by relative changes in our inventories, receivables, prepaids, payables and non-tax related accruals in 2024, and

● A $.3 million increase in interest received in 2024 due to higher interest rates and increased investment balances, partially offset by lower average balances on our loan to an affiliate.

Changes in working capital can have a significant effect on cash flows from operating activities. As shown below, the change in our average days sales outstanding from December 31, 2023 to March 31, 2024 varied by segment primarily as a result of relative changes in the timing of sales and collections relative to the end of the quarter. For comparative purposes, we have provided December 31, 2022 and March 31, 2023 numbers below.

	December 31,	March 31,	December 31,	March 31,
Days Sales Outstanding:	2022	2023	2023	2024
Security Products	45 Days	44 Days	37 Days	43 Days
Marine Components	30 Days	36 Days	31 Days	35 Days
Consolidated CompX	41 Days	41 Days	36 Days	42 Days

Our average number of days in inventory decreased from December 31, 2023 to March 31, 2024 primarily due to the decrease at Marine Components as a result of higher sales in the first quarter of 2024 compared to the fourth quarter of 2023 and decreased inventory balances as a result of a planned reduction of certain raw materials with previously longer lead times as discussed in Outlook above. For comparative purposes, we have provided December 31, 2022 and March 31, 2023 numbers below.

	December 31,	March 31,	December 31,	March 31,
Days in Inventory:	2022	2023	2023	2024
Security Products	101 Days	102 Days	77 Days	82 Days
Marine Components	95 Days	87 Days	175 Days	108 Days
Consolidated CompX	99 Days	97 Days	95 Days	89 Days

Investing activities. Our capital expenditures were $.3 million in each of the first three months of 2024 and 2023, respectively. During the first three months of 2024, Valhi repaid a net $.8 million under the promissory note ($5.2 million of gross borrowings and $6.0 million of gross repayments). During the first three months of 2023, Valhi repaid a net $1.0 million under the promissory note ($6.8 million of gross borrowings and $7.8 million of gross repayments). See Note 9 to our Condensed Consolidated Financial Statements.

During the first three months of 2024, we received gross proceeds totaling $12.0 million related to U.S. treasury bill maturities. During the first three months of 2023, we had gross purchases of U.S. treasury marketable securities aggregating $13.5 million and received gross proceeds totaling $4.0 million related to U.S. treasury bill maturities. See Note 3 to our Condensed Consolidated Financial Statements.

Financing activities. Financing activities consisted only of quarterly cash dividends. In February 2024, our board of directors increased our regular quarterly dividend from $.25 per share to $.30 per share beginning in the first quarter of 2024. The declaration and payment of future dividends and the amount thereof, if any, is discretionary and is dependent upon our results of operations, financial condition, cash requirements for our businesses, contractual requirements and restrictions and other factors deemed relevant by our board of directors. The amount and timing of past dividends is not necessarily indicative of the amount or timing of any future dividends which we might pay.

Future cash requirements –

Liquidity. Our primary source of liquidity on an ongoing basis is our cash flow from operating activities, which is generally used to (i) fund capital expenditures, (ii) repay short-term or long-term indebtedness incurred primarily for capital expenditures, investment activities or reducing our outstanding stock, (iii) provide for the payment of dividends (if declared), and (iv) lend to affiliates. From time-to-time, we will incur indebtedness, primarily to fund capital expenditures or business combinations.

- 15 -

Periodically, we evaluate liquidity requirements, alternative uses of capital, capital needs and available resources in view of, among other things, our capital expenditure requirements, dividend policy and estimated future operating cash flows. As a result of this process, we have in the past and may in the future seek to raise additional capital, refinance or restructure indebtedness, issue additional securities, modify our dividend policy or take a combination of such steps to manage our liquidity and capital resources. In the normal course of business, we may review opportunities for acquisitions, joint ventures or other business combinations in the component products industry. In the event of any such transaction, we may consider using available cash, issuing additional equity securities or increasing our indebtedness or that of our subsidiaries.

We believe that cash generated from operations together with cash on hand, as well as our ability to obtain external financing, will be sufficient to meet our liquidity needs for working capital, capital expenditures, debt service, dividends (if declared) and any amounts we might loan from time to time under the terms of our revolving loan to Valhi discussed in Note 9 to our Condensed Consolidated Financial Statements (which loans would be solely at our discretion) for both the next 12 months and five years. To the extent that our actual operating results or other developments differ from our expectations, our liquidity could be adversely affected.

All of our $75.6 million aggregate cash, cash equivalents and marketable securities at March 31, 2024 were held in the U.S.

Capital expenditures. Firm purchase commitments for capital projects in process at March 31, 2024 totaled $.4 million. We expect our capital expenditures for 2024 will be approximately $2.8 million primarily to meet our existing customer demand and those required to properly maintain our facilities and technology infrastructure.

Stock repurchase program. At March 31, 2024, we have 523,647 shares available for repurchase under a stock repurchase program authorized by our board of directors.

Commitments and contingencies. There have been no material changes in our contractual obligations since we filed our 2023 Annual Report and we refer you to that report for a complete description of these commitments.

Recent accounting pronouncements –

See Note 10 to our Condensed Consolidated Financial Statements.

Critical accounting policies –

There have been no changes in the first three months of 2024 with respect to our critical accounting policies presented in Management’s Discussion and Analysis of Financial Condition and Results of Operations in our 2023 Annual Report.

ITEM  3.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

We are exposed to market risk from changes in interest rates and raw material prices. There have been no material changes in these market risks since we filed our 2023 Annual Report, and we refer you to Part I, Item 7A – “Quantitative and Qualitative Disclosure About Market Risk” in our 2023 Annual Report. See also Note 8 to our Condensed Consolidated Financial Statements.

ITEM  4.CONTROLS AND PROCEDURES.

Evaluation of Disclosure Controls and Procedures. We maintain disclosure controls and procedures which, as defined in Exchange Act Rule 13a-15(e), means controls and other procedures that are designed to ensure that information required to be disclosed in the reports that we file or submit to the SEC under the Securities Exchange Act of 1934, as amended (the “Act”), is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information we are required to disclose in the reports that we file or submit to the SEC under the Act is accumulated and communicated to our management, including our principal executive officer and our principal financial officer, or persons performing similar functions, as appropriate to allow timely decisions to be made regarding required disclosure. Our management with the participation of Scott C. James, our President and Chief Executive Officer, and Amy

- 16 -

A. Samford, our Executive Vice President and Chief Financial Officer, has evaluated the design and operating effectiveness of our disclosure controls and procedures as of March 31, 2024. Based upon their evaluation, these executive officers have concluded that our disclosure controls and procedures are effective as of the date of such evaluation.

Internal Control Over Financial Reporting. Our management is responsible for establishing and maintaining adequate internal control over financial reporting which, as defined in Exchange Act Rule 13a-15(f), means a process designed by, or under the supervision of, our principal executive and principal financial officers, or persons performing similar functions, and effected by our board of directors, management and other personnel, 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, and includes those policies and procedures that:

● Pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and dispositions of our assets,

● Provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with GAAP, and that receipts and expenditures are being made only in accordance with authorizations of our management and directors, and

● Provide reasonable assurance regarding prevention or timely detection of an unauthorized acquisition, use or disposition of our assets that could have a material effect on our Condensed Consolidated Financial Statements.

Changes in Internal Control Over Financial Reporting. There have been no changes in our internal control over financial reporting during the quarter ended March 31, 2024 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

- 17 -

Part II. OTHER INFORMATION

ITEM  1A.Risk Factors.

Reference is made to the 2023 Annual Report for a discussion of risk factors related to our businesses.

ITEM  6.Exhibits.

Item No.	Exhibit Index
31.1	Certification
31.2	Certification
32.1	Certification
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
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase
104	Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

- 18 -

SIGNATURES

Pursuant to the requirements 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.

	COMPX INTERNATIONAL INC.
	(Registrant)
Date:  May 7, 2024	By:	/s/ Amy A. Samford
		Amy A. Samford
		Executive Vice President and Chief Financial Officer
	By:	/s/ Amy E. Ruf
		Amy E. Ruf
		Vice President and Controller

- 19 -

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Scott C. James, certify that:

1) I have reviewed this quarterly report on Form 10-Q of CompX International Inc.;

2) Based on my knowledge, this 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 report;

3) Based on my knowledge, the financial statements, and other financial information included in this 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 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 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 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 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 registrant's board of directors (or persons performing the equivalent function):

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 7, 2024

By:	/s/ Scott C. James
	Scott C. James
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Amy A. Samford, certify that:

1) I have reviewed this quarterly report on Form 10-Q of CompX International Inc.;

2) Based on my knowledge, this 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 report;

3) Based on my knowledge, the financial statements, and other financial information included in this 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 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 13d-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 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 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 registrant's board of directors (or persons performing the equivalent function):

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 7, 2024

By:	/s/ Amy A. Samford
	Amy A. Samford
	Executive Vice President and Chief Financial Officer
	(Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of CompX International Inc. (the Company) on Form 10-Q for the period ending March 31, 2024, as filed with the Securities and Exchange Commission on the date hereof (the Report), I, Scott C. James, President and Chief Executive Officer of the Company and I, Amy A. Samford, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, 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 result of operations of the Company.

By:	/s/ Scott C. James
	Scott C. James
	President and Chief Executive Officer
By:	/s/ Amy A. Samford
	Amy A. Samford
	Executive Vice President and Chief Financial Officer

Date: May 7, 2024

Note:  The certification the registrant furnishes in this exhibit is not deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section.  Registration Statements or other documents filed with the Securities and Exchange Commission shall not incorporate this exhibit by reference, except as otherwise expressly stated in such filing.

XML

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2024	Apr. 30, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2024
Document Transition Report	false
Entity File Number	1-13905
Entity Registrant Name	COMPX INTERNATIONAL INC
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	57-0981653
Entity Address, Address Line One	5430 LBJ Freeway
Entity Address, Address Line Two	Suite 1700
Entity Address, City or Town	Dallas
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75240-2620
City Area Code	972
Local Phone Number	448-1400
Title of 12(b) Security	Class A common stock
Trading Symbol	CIX
Security Exchange Name	NYSEAMER
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		12,313,757
Entity Central Index Key	0001049606
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Amendment Flag	false

XML

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 51,866	$ 41,393
Marketable securities	23,701	35,354
Accounts receivable, net	17,329	17,061
Inventories, net	27,543	30,712
Prepaid expenses and other	1,807	2,110
Total current assets	122,246	126,630
Other assets:
Note receivable from affiliate	9,800	10,600
Goodwill	23,742	23,742
Other noncurrent assets	747	769
Total other assets	34,289	35,111
Property and equipment:
Land	5,390	5,390
Buildings	23,262	23,239
Equipment	74,650	74,315
Construction in progress	536	676
Gross property and equipment	103,838	103,620
Less accumulated depreciation	78,654	77,757
Net property and equipment	25,184	25,863
Total assets	181,719	187,604
Current liabilities:
Accounts payable and accrued liabilities	9,697	15,745
Income taxes payable to affiliate	1,725	1,460
Total current liabilities	11,422	17,205
Noncurrent liabilities:
Deferred income taxes	1,359	1,509
Other	34	41
Total noncurrent liabilities	1,393	1,550
Stockholders' equity:
Preferred stock	0	0
Additional paid-in capital	53,275	53,275
Retained earnings	115,517	115,457
Accumulated other comprehensive loss - unrealized loss on marketable securities	(11)	(6)
Total stockholders' equity	168,904	168,849
Total liabilities and stockholders' equity	181,719	187,604
Commitments and contingencies (Note 1)
Class A Common Stock
Stockholders' equity:
Class A common stock	$ 123	$ 123

XML

CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME
Net sales	$ 37,971	$ 41,151
Cost of sales	28,304	28,447
Gross margin	9,667	12,704
Selling, general and administrative expense	5,952	5,664
Operating income	3,715	7,040
Interest income	1,224	947
Income before income taxes	4,939	7,987
Provision for income taxes	1,185	1,919
Net income	3,754	6,068
Other comprehensive loss, marketable securities adjustment:
Unrealized loss arising during year, net	(5)	(30)
Comprehensive income	$ 3,749	$ 6,038
Net income per basic share	$ 0.31	$ 0.49
Net income per diluted share	$ 0.31	$ 0.49
Weighted average shares outstanding - basic	12,314	12,307
Weighted average shares outstanding - diluted	12,314	12,307

XML

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common stock Class A Common Stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive loss	Total
Balance at Dec. 31, 2022	$ 123	$ 53,155	$ 105,175	$ (17)	$ 158,436
Net income			6,068		6,068
Cash dividends			(3,077)		(3,077)
Other comprehensive loss				(30)	(30)
Balance at Mar. 31, 2023	123	53,155	108,166	(47)	161,397
Balance at Dec. 31, 2023	123	53,275	115,457	(6)	168,849
Net income			3,754		3,754
Cash dividends			(3,694)		(3,694)
Other comprehensive loss				(5)	(5)
Balance at Mar. 31, 2024	$ 123	$ 53,275	$ 115,517	$ (11)	$ 168,904

XML

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
Cash dividends per share	$ 0.30	$ 0.25

XML

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income	$ 3,754	$ 6,068
Depreciation and amortization	926	1,010
Deferred income taxes	(151)	(250)
Noncash interest income	(351)	(380)
Other, net	58	44
Change in assets and liabilities:
Accounts receivable, net	(264)	(842)
Inventories, net	3,107	1,012
Accounts payable and accrued liabilities	(5,990)	(4,543)
Accounts with affiliates	265	998
Prepaids and other, net	318	(52)
Net cash provided by operating activities	1,672	3,065
Cash flows from investing activities:
Capital expenditures	(305)	(270)
Purchases	0	(13,479)
Proceeds from maturities	12,000	4,000
Note receivable from affiliate:
Collections	6,000	7,800
Advances	(5,200)	(6,800)
Net cash provided by (used in) investing activities	12,495	(8,749)
Cash flows from financing activities:
Dividends paid	3,694	3,077
Cash and cash equivalents - net change from:
Operating, investing and financing activities	10,473	(8,761)
Balance at beginning of period	41,393	26,748
Balance at end of year	51,866	17,987
Supplemental disclosures -
Cash paid for income taxes	$ 1,071	$ 1,171

XML

Organization and basis of presentation

3 Months Ended

Mar. 31, 2024

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Organization and basis of presentation

Note 1 – Organization and basis of presentation:

Organization. We (NYSE American: CIX) were approximately 87% owned by NL Industries, Inc. (NYSE: NL) at March 31, 2024. At March 31, 2024, Valhi, Inc. (NYSE: VHI) owned approximately 83% of NL’s outstanding common stock and a wholly-owned subsidiary of Contran Corporation owned approximately 91% of Valhi’s outstanding common stock. A majority of Contran’s outstanding voting stock is held directly by Lisa K. Simmons, Thomas C. Connelly (the husband of Ms. Simmons’ late sister) and various family trusts established for the benefit of Ms. Simmons, Mr. Connelly and their children and for which Ms. Simmons, Mr. Connelly or Mr. Connelly’s sister, as applicable, serve as trustee (collectively, the “Other Trusts”). With respect to the Other Trusts for which Mr. Connelly or his sister serves as trustee, the trustee is required to vote the shares of Contran voting stock held in such trusts in the same manner as Ms. Simmons. Such voting rights of Ms. Simmons last through April 22, 2030 and are personal to Ms. Simmons. The remainder of Contran’s outstanding voting stock is held by another trust (the “Family Trust”), which was established for the benefit of Ms. Simmons and her late sister and their children and for which a third-party financial institution serves as trustee. Consequently, at March 31, 2024 Ms. Simmons and the Family Trust may be deemed to control Contran, and therefore may be deemed to indirectly control the wholly-owned subsidiary of Contran, Valhi, NL and us.

Basis of presentation. Consolidated in this Quarterly Report are the results of CompX International Inc. and its subsidiaries. The unaudited Condensed Consolidated Financial Statements contained in this Quarterly Report have been prepared on the same basis as the audited Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2023 that we filed with the Securities and Exchange Commission (“SEC”) on February 28, 2024 (the “2023 Annual Report”). In our opinion, we have made all necessary adjustments (which include only normal recurring adjustments) in order to state fairly, in all material respects, our consolidated financial position, results of operations and cash flows as of the dates and for the periods presented. We have condensed the Consolidated Balance Sheet at December 31, 2023 contained in this Quarterly Report as compared to our audited Consolidated Financial Statements at that date, and we have omitted certain information and footnote disclosures (including those related to the Consolidated Balance Sheet at December 31, 2023) normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”). Our results of operations for the interim period ended March 31, 2024 may not be indicative of our operating results for the full year. The Condensed Consolidated Financial Statements contained in this Quarterly Report should be read in conjunction with our 2023 Consolidated Financial Statements contained in our 2023 Annual Report.

Our operations are reported on a 52 or 53-week year. For presentation purposes, annual and quarterly information in the Condensed Consolidated Financial Statements and accompanying notes are presented as ended March 31, 2023, December 31, 2023 and March 31, 2024. The actual dates of our annual and quarterly periods are April 2, 2023, December 31, 2023 and March 31, 2024, respectively. Unless otherwise indicated, references in this report to “we”, “us” or “our” refer to CompX International Inc. and its subsidiaries, taken as a whole.

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Business segment information

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Business segment information

Note 2 – Business segment information:

	Three months ended
	March 31,
	2023		2024
	(In thousands)
Net sales:
Security Products	$	27,342	$	29,887
Marine Components		13,809		8,084
Total net sales	$	41,151	$	37,971
Operating income:
Security Products	$	5,379	$	5,450
Marine Components		3,317		34
Corporate operating expenses		(1,656)		(1,769)
Total operating income		7,040		3,715
Interest income		947		1,224
Income before income taxes	$	7,987	$	4,939

Intersegment sales are not material.

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Marketable securities

3 Months Ended

Mar. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Marketable securities

Note 3 – Marketable securities:

			Amortized		Unrealized
	Market value		cost basis		loss, net
	(In thousands)
December 31, 2023:
Current assets	$	35,354	$	35,359	$	(5)
March 31, 2024:
Current assets	$	23,701	$	23,712	$	(11)

Our marketable securities consist of investments in debt securities, currently U.S. government treasuries. We classify our marketable securities as available-for-sale. The fair value of our marketable securities is generally determined using Level 2 inputs because although these securities are traded, in many cases the market is not active and the quarter-end valuation is generally based on the last trade of the quarter, which may be several days prior to quarter end. We accumulate unrealized gains and losses on marketable debt securities as part of accumulated other comprehensive income (loss), net of related deferred income taxes.

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Accounts receivable, net

3 Months Ended

Mar. 31, 2024

Receivables [Abstract]

Accounts receivable, net

Note 4 – Accounts receivable, net:

	December 31,		March 31,
	2023		2024
	(In thousands)
Accounts receivable, net:
Security Products	$	14,950	$	14,293
Marine Components		2,181		3,106
Allowance for doubtful accounts		(70)		(70)
Total accounts receivable, net	$	17,061	$	17,329

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Inventories, net

3 Months Ended

Mar. 31, 2024

Inventory Disclosure [Abstract]

Inventories, net

Note 5 – Inventories, net:

	December 31,		March 31,
	2023		2024
	(In thousands)
Raw materials:
Security Products	$	3,569	$	3,352
Marine Components		2,169		1,634
Total raw materials		5,738		4,986
Work-in-process:
Security Products		13,879		12,969
Marine Components		5,163		4,746
Total work-in-process		19,042		17,715
Finished goods:
Security Products		3,175		2,712
Marine Components		2,757		2,130
Total finished goods		5,932		4,842
Total inventories, net	$	30,712	$	27,543

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Accounts payable and accrued liabilities

3 Months Ended

Mar. 31, 2024

Payables And Accruals [Abstract]

Accounts payable and accrued liabilities

Note 6 – Accounts payable and accrued liabilities:

	December 31,		March 31,
	2023		2024
	(In thousands)
Accounts payable:
Security Products	$	2,514	$	2,358
Marine Components		634		643
Corporate		—		73
Accrued liabilities:
Employee benefits		10,712		4,819
Taxes other than on income		285		453
Insurance		289		269
Deferred revenue		559		104
Customer tooling		145		254
Advances from customers		267		162
Other		340		562
Total accounts payable and accrued liabilities	$	15,745	$	9,697

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Provision for income taxes

3 Months Ended

Mar. 31, 2024

Income Tax Disclosure [Abstract]

Provision for income taxes

Note 7 – Provision for income taxes:

	Three months ended
	March 31,
	2023		2024
	(In thousands)
Expected tax expense, at the U.S. federal statutory   income tax rate of 21%	$	1,677	$	1,037
State income taxes		240		145
Other, net		2		3
Total provision for income taxes	$	1,919	$	1,185
Comprehensive provision for income taxes allocable to:
Net income	$	1,919	$	1,185
Other comprehensive loss - marketable securities		(13)		(1)
Total	$	1,906	$	1,184

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Financial Instruments

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Financial instruments

Note 8 – Financial instruments:

See Note 3 for information on how we determine the fair value of our marketable securities.

The following table presents the financial instruments that are not carried at fair value but which require fair value disclosure:

	December 31, 2023				March 31, 2024
	Carrying		Fair		Carrying		Fair
	amount		value		amount		value
	(In thousands)
Cash and cash equivalents	$	41,393	$	41,393	$	51,866	$	51,866
Accounts receivable, net		17,061		17,061		17,329		17,329
Accounts payable		3,148		3,148		3,074		3,074

Due to their near-term maturities, the carrying amounts of accounts receivable and accounts payable are considered equivalent to fair value.

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Related party transactions

3 Months Ended

Mar. 31, 2024

Related Party Transactions [Abstract]

Related party transactions

Note 9 – Related party transactions:

From time to time, we may have loans and advances outstanding between us and various related parties pursuant to term and demand notes. We generally enter into these loans and advances for cash management purposes. When we loan funds to related parties, we are generally able to earn a higher rate of return on the loan than we would earn if we invested the funds in other instruments, and when we borrow from related parties, we are generally able to pay a lower rate of interest than we would pay if we had incurred third-party indebtedness. While certain of these loans to affiliates may be of a lesser credit quality than cash equivalent instruments otherwise available to us, we believe we have considered the credit risks in the terms of the applicable loans. In this regard, we have an unsecured revolving demand promissory note with Valhi under which, as amended, we agreed to loan Valhi up to $25 million. Our loan to Valhi, as amended, bears interest at prime plus 1.00%, payable quarterly, with all principal due on demand, but in any event no earlier than December 31, 2025. Loans made to Valhi at any time under the agreement are at our discretion. At March 31, 2024, the outstanding principal balance receivable from Valhi under the promissory note was $9.8 million. Interest income (including unused commitment fees) on our loan to Valhi was $.3 million for each of the three months ended March 31, 2023 and 2024, respectively.

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Recent Accounting Pronouncements

3 Months Ended

Mar. 31, 2024

New Accounting Pronouncements And Changes In Accounting Principles [Abstract]

Recent Accounting Pronouncements

Note 10 – Recent Accounting Pronouncements:

In November 2023, the Financial Accounting Standards Board (“FASB”) issued ASU 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. The ASU requires public companies to disclose significant segment expenses and other segment items on an annual and interim basis. The ASU also mandates public companies to provide all annual segment disclosures currently required annually in interim periods. Public companies will also be required to disclose the title and position of the chief operating decision maker (“CODM”) and explain how the CODM uses the reported measure of segment profit or loss in assessing segment performance and allocation of resources. The ASU is effective for us beginning with our 2024 Annual Report, and for interim reporting, in the first quarter of 2025, with retrospective application required. We are in the process of evaluating the additional disclosure requirements across all segments.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The ASU requires additional annual disclosure and disaggregation for the rate reconciliation, income taxes paid and income tax expense by federal, state and foreign tax jurisdictions. In addition, the standard increases the disclosure requirements for items included in the rate reconciliation that meet a quantitative threshold. The ASU is effective for us beginning with our 2025 Annual Report. The ASU may be applied prospectively; however, entities have the option to apply it retrospectively. We are in the process of evaluating the additional disclosure requirements.

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Organization and Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2024

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Organization

Organization. We (NYSE American: CIX) were approximately 87% owned by NL Industries, Inc. (NYSE: NL) at March 31, 2024. At March 31, 2024, Valhi, Inc. (NYSE: VHI) owned approximately 83% of NL’s outstanding common stock and a wholly-owned subsidiary of Contran Corporation owned approximately 91% of Valhi’s outstanding common stock. A majority of Contran’s outstanding voting stock is held directly by Lisa K. Simmons, Thomas C. Connelly (the husband of Ms. Simmons’ late sister) and various family trusts established for the benefit of Ms. Simmons, Mr. Connelly and their children and for which Ms. Simmons, Mr. Connelly or Mr. Connelly’s sister, as applicable, serve as trustee (collectively, the “Other Trusts”). With respect to the Other Trusts for which Mr. Connelly or his sister serves as trustee, the trustee is required to vote the shares of Contran voting stock held in such trusts in the same manner as Ms. Simmons. Such voting rights of Ms. Simmons last through April 22, 2030 and are personal to Ms. Simmons. The remainder of Contran’s outstanding voting stock is held by another trust (the “Family Trust”), which was established for the benefit of Ms. Simmons and her late sister and their children and for which a third-party financial institution serves as trustee. Consequently, at March 31, 2024 Ms. Simmons and the Family Trust may be deemed to control Contran, and therefore may be deemed to indirectly control the wholly-owned subsidiary of Contran, Valhi, NL and us.

Basis of Presentation

Basis of presentation. Consolidated in this Quarterly Report are the results of CompX International Inc. and its subsidiaries. The unaudited Condensed Consolidated Financial Statements contained in this Quarterly Report have been prepared on the same basis as the audited Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2023 that we filed with the Securities and Exchange Commission (“SEC”) on February 28, 2024 (the “2023 Annual Report”). In our opinion, we have made all necessary adjustments (which include only normal recurring adjustments) in order to state fairly, in all material respects, our consolidated financial position, results of operations and cash flows as of the dates and for the periods presented. We have condensed the Consolidated Balance Sheet at December 31, 2023 contained in this Quarterly Report as compared to our audited Consolidated Financial Statements at that date, and we have omitted certain information and footnote disclosures (including those related to the Consolidated Balance Sheet at December 31, 2023) normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”). Our results of operations for the interim period ended March 31, 2024 may not be indicative of our operating results for the full year. The Condensed Consolidated Financial Statements contained in this Quarterly Report should be read in conjunction with our 2023 Consolidated Financial Statements contained in our 2023 Annual Report.

Our operations are reported on a 52 or 53-week year. For presentation purposes, annual and quarterly information in the Condensed Consolidated Financial Statements and accompanying notes are presented as ended March 31, 2023, December 31, 2023 and March 31, 2024. The actual dates of our annual and quarterly periods are April 2, 2023, December 31, 2023 and March 31, 2024, respectively. Unless otherwise indicated, references in this report to “we”, “us” or “our” refer to CompX International Inc. and its subsidiaries, taken as a whole.

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Business segment information (Tables)

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Schedule of Business Segment Information

	Three months ended
	March 31,
	2023		2024
	(In thousands)
Net sales:
Security Products	$	27,342	$	29,887
Marine Components		13,809		8,084
Total net sales	$	41,151	$	37,971
Operating income:
Security Products	$	5,379	$	5,450
Marine Components		3,317		34
Corporate operating expenses		(1,656)		(1,769)
Total operating income		7,040		3,715
Interest income		947		1,224
Income before income taxes	$	7,987	$	4,939

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Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of marketable securities

			Amortized		Unrealized
	Market value		cost basis		loss, net
	(In thousands)
December 31, 2023:
Current assets	$	35,354	$	35,359	$	(5)
March 31, 2024:
Current assets	$	23,701	$	23,712	$	(11)

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Accounts receivable, net (Tables)

3 Months Ended

Mar. 31, 2024

Receivables [Abstract]

Schedule of Accounts Receivable, net

	December 31,		March 31,
	2023		2024
	(In thousands)
Accounts receivable, net:
Security Products	$	14,950	$	14,293
Marine Components		2,181		3,106
Allowance for doubtful accounts		(70)		(70)
Total accounts receivable, net	$	17,061	$	17,329

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Inventories, net (Tables)

3 Months Ended

Mar. 31, 2024

Inventory Disclosure [Abstract]

Inventories, net

	December 31,		March 31,
	2023		2024
	(In thousands)
Raw materials:
Security Products	$	3,569	$	3,352
Marine Components		2,169		1,634
Total raw materials		5,738		4,986
Work-in-process:
Security Products		13,879		12,969
Marine Components		5,163		4,746
Total work-in-process		19,042		17,715
Finished goods:
Security Products		3,175		2,712
Marine Components		2,757		2,130
Total finished goods		5,932		4,842
Total inventories, net	$	30,712	$	27,543

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Accounts payable and accrued liabilities (Tables)

3 Months Ended

Mar. 31, 2024

Payables And Accruals [Abstract]

Accounts payable and accrued liabilities

	December 31,		March 31,
	2023		2024
	(In thousands)
Accounts payable:
Security Products	$	2,514	$	2,358
Marine Components		634		643
Corporate		—		73
Accrued liabilities:
Employee benefits		10,712		4,819
Taxes other than on income		285		453
Insurance		289		269
Deferred revenue		559		104
Customer tooling		145		254
Advances from customers		267		162
Other		340		562
Total accounts payable and accrued liabilities	$	15,745	$	9,697

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Provision for income taxes (Tables)

3 Months Ended

Mar. 31, 2024

Income Tax Disclosure [Abstract]

Provision for Income Taxes

	Three months ended
	March 31,
	2023		2024
	(In thousands)
Expected tax expense, at the U.S. federal statutory   income tax rate of 21%	$	1,677	$	1,037
State income taxes		240		145
Other, net		2		3
Total provision for income taxes	$	1,919	$	1,185
Comprehensive provision for income taxes allocable to:
Net income	$	1,919	$	1,185
Other comprehensive loss - marketable securities		(13)		(1)
Total	$	1,906	$	1,184

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Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Carrying Value and Estimated Fair Value of Financial Instruments

See Note 3 for information on how we determine the fair value of our marketable securities.

The following table presents the financial instruments that are not carried at fair value but which require fair value disclosure:

	December 31, 2023				March 31, 2024
	Carrying		Fair		Carrying		Fair
	amount		value		amount		value
	(In thousands)
Cash and cash equivalents	$	41,393	$	41,393	$	51,866	$	51,866
Accounts receivable, net		17,061		17,061		17,329		17,329
Accounts payable		3,148		3,148		3,074		3,074

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Organization and Basis of Presentation - Additional Information (Detail)	Mar. 31, 2024
NL Industries | CompX International Inc
Basis Of Presentation And Significant Accounting Policies [Line Items]
Percentage of ownership held by parent company	87.00%
Valhi Inc | NL Industries
Basis Of Presentation And Significant Accounting Policies [Line Items]
Percentage of ownership held by parent company	83.00%
Contran Corporation | Valhi Inc
Basis Of Presentation And Significant Accounting Policies [Line Items]
Percentage of ownership held by parent company	91.00%

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Business segment information - Schedule of Business Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Net sales:
Total net sales	$ 37,971	$ 41,151
Operating income (loss):
Total operating income	3,715	7,040
Interest income	1,224	947
Income before income taxes	4,939	7,987
Security Products
Net sales:
Total net sales	29,887	27,342
Marine Components
Net sales:
Total net sales	8,084	13,809
Operating Segments | Security Products
Operating income (loss):
Total operating income	5,450	5,379
Operating Segments | Marine Components
Operating income (loss):
Total operating income	34	3,317
Corporate
Operating income (loss):
Total operating income	$ (1,769)	$ (1,656)

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Marketable Securities (Details) - Current assets - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Marketable securities
Market value	$ 23,701	$ 35,354
Amortized cost basis	23,712	35,359
Unrealized loss, net	$ (11)	$ (5)

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Accounts receivable, net - Schedule of Accounts receivable, net (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accounts Notes And Loans Receivable [Line Items]
Allowance for doubtful accounts	$ (70)	$ (70)
Total accounts receivable, net	17,329	17,061
Security Products
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, gross	14,293	14,950
Marine Components
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable, gross	$ 3,106	$ 2,181

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Inventories, Net - Inventories, Net (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Inventory [Line Items]
Total raw materials	$ 4,986	$ 5,738
Total work-in-process	17,715	19,042
Total finished goods	4,842	5,932
Total inventories, net	27,543	30,712
Security Products
Inventory [Line Items]
Total raw materials	3,352	3,569
Total work-in-process	12,969	13,879
Total finished goods	2,712	3,175
Marine Components
Inventory [Line Items]
Total raw materials	1,634	2,169
Total work-in-process	4,746	5,163
Total finished goods	$ 2,130	$ 2,757

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Accounts payable and accrued liabilities - Accounts payable and accrued liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accrued liabilities:
Employee benefits	$ 4,819	$ 10,712
Deferred revenue	104	559
Insurance	269	289
Taxes other than on income	453	285
Advances from customers	162	267
Customer tooling	254	145
Other	562	340
Total accounts payable and accrued liabilities	9,697	15,745
Security Products
Accounts payable:
Accounts payable	2,358	2,514
Marine Components
Accounts payable:
Accounts payable	643	$ 634
Corporate
Accounts payable:
Accounts payable	$ 73

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Provision for income taxes - Provision for income taxes (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income tax expense:
Deferred income tax benefit	$ (151)	$ (250)
Total provision for income taxes	1,185	1,919
Expected tax expense, at the U.S. federal statutory income tax rate of 21%	$ 1,037	$ 1,677
U.S. federal statutory income tax rate	21.00%	21.00%
State income taxes	$ 145	$ 240
Other, net	3	2
Total provision for income taxes	1,185	1,919
Disclosure Other Comprehensive Income Loss Tax Effects Allocation to Component Of Other Comprehensive Income Loss [Abstract]
Other comprehensive loss - marketable securities	(1)	(13)
Total	$ 1,184	$ 1,906

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Financial Instruments - Carrying Value and Estimated Fair Value of Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Carrying Amount
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 51,866	$ 41,393
Accounts receivable, net	17,329	17,061
Accounts payable	3,074	3,148
Fair Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash and cash equivalents	51,866	41,393
Accounts receivable, net	17,329	17,061
Accounts payable	$ 3,074	$ 3,148

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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		15 Months Ended
	Aug. 31, 2016	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Other Receivable, after Allowance for Credit Loss, Noncurrent		$ 9,800		$ 9,800	$ 10,600
Interest income		1,224	$ 947
Unsecured Revolving Demand Promissory | Valhi Inc
Related Party Transaction [Line Items]
Maximum loan amount	$ 25,000
Interest rate on loans repayment	1.00%
Principal due on demand effective date	Dec. 31, 2025
Unsecured Revolving Demand Promissory | Related Party [Member] | Valhi Inc
Related Party Transaction [Line Items]
Other Receivable, after Allowance for Credit Loss, Noncurrent		$ 9,800		9,800
Interest income				$ 300