Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue	$ 148,580	$ 151,568	$ 147,954
Operating expenses:
Direct	56,015	57,049	52,350
Selling, general and administrative	46,621	42,699	38,960
Depreciation, amortization and impairment	5,899	5,277	6,374
Total operating expenses	108,535	105,025	97,684
Operating income	40,045	46,543	50,270
Other income (expense):
Interest income	820	168	14
Interest expense	(862)	(1,209)	(1,667)
Reclassification of cumulative foreign currency translation adjustment into earnings	0	(2,569)	0
Other, net	(41)	(118)	4
Total other income (expense)	(83)	(3,728)	(1,649)
Income before income taxes	39,962	42,815	48,621
Provision for income taxes	8,991	11,015	11,155
Net income	$ 30,971	$ 31,800	$ 37,466
Earnings per share of common stock:
Basic earnings per share (in dollars per share)	$ 1.26	$ 1.28	$ 1.47
Diluted earnings per share (in dollars per share)	$ 1.25	$ 1.27	$ 1.46
Weighted average shares and share equivalents outstanding
Basic (in shares)	24,540	24,922	25,422
Diluted (in shares)	24,673	25,052	25,640