CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
OPERATING ACTIVITIES:
Net income	$ 43,619	$ 41,679	$ 24,507
Adjustments to reconcile net income to net cash provided by operating activities, net of effect of acquired businesses:
Depreciation and amortization	11,996	12,768	12,840
Right-of-use asset amortization	13,755	13,011	12,037
Deferred income taxes	189	446	1,114
Share-based compensation expense	4,773	4,086	3,235
Bad debt expense (recovery)	(345)	27	227
Unrealized foreign currency remeasurement (gains) losses, net	122	(294)	247
Changes in operating assets and liabilities:
Accounts receivable	(24,929)	(6,053)	(2,654)
Unbilled services	(5,382)	(4,399)	(3,940)
Prepaid expenses and other current assets, and other assets	(485)	(2,399)	1,377
Forgivable loans	(10,539)	10,742	(15,868)
Incentive cash awards	6,618	6,724	6,602
Accounts payable, accrued expenses, and other liabilities	2,253	14,875	25,478
Lease liabilities	(16,524)	(15,515)	(10,539)
Net cash provided by operating activities	25,121	75,698	54,663
INVESTING ACTIVITIES:
Purchases of property and equipment	(3,813)	(2,623)	(17,094)
Consideration paid for acquisitions, net	(14,352)	0	0
Net cash used in investing activities	(18,165)	(2,623)	(17,094)
FINANCING ACTIVITIES:
Issuance of common stock, principally stock options exercises	1,411	5,157	2,236
Borrowings under revolving line of credit	126,000	74,000	77,000
Repayments under revolving line of credit	(126,000)	(74,000)	(77,000)
Payments for debt issuance costs	(1,008)	0	0
Tax withholding payments reimbursed by shares	(2,145)	(1,528)	(862)
Cash paid for contingent consideration	0	(2,357)	0
Cash dividends paid	(9,580)	(8,289)	(7,503)
Repurchase of common stock	(27,630)	(44,976)	(13,371)
Net cash used in financing activities	(38,952)	(51,993)	(19,500)
Effect of foreign exchange rates on cash and cash equivalents	(2,687)	(629)	1,969
Net increase (decrease) in cash and cash equivalents	(34,683)	20,453	20,038
Cash and cash equivalents at beginning of period	66,130	45,677	25,639
Cash and cash equivalents at end of period	31,447	66,130	45,677
Noncash investing and financing activities:
Increase (decrease) in accounts payable and accrued expenses for property and equipment	(268)	8	(4,749)
Asset retirement obligations	0	0	155
Right-of-use assets obtained in exchange for lease obligations	2,436	1,751	2,640
Issuance of restricted common stock for contingent consideration	0	2,250	0
Supplemental cash flow information:
Cash paid for taxes	15,646	14,953	6,535
Cash paid for interest	1,579	727	1,162
Cash paid for amounts included in operating lease liabilities	$ 21,306	$ 20,823	$ 20,436