Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Revenue:
Total revenue	$ 78,899	$ 77,656	$ 156,764	$ 154,843
Cost of service:
Total cost of service	50,942	47,155	100,956	94,386
Selling, general and administrative costs (includes $4,736 and $9,480 and $1,210 and $2,416 of non-cash stock based compensation expense in the three and six months ended June 27, 2025 and June 28, 2024, respectively)	23,362	17,985	46,810	36,314
Legal settlement and related costs		0		102
Total costs and operating expenses	74,304	65,140	147,766	130,802
Income from operations	4,595	12,516	8,998	24,041
Other expense, net:
Interest expense, net	(366)	(512)	(568)	(984)
Income before income taxes	4,229	12,004	8,430	23,057
Income tax expense	2,568	3,256	3,626	5,578
Net income	$ 1,661	$ 8,748	$ 4,804	$ 17,479
Basic net income per common share:
Income per common share	$ 0.06	$ 0.32	$ 0.17	$ 0.64
Weighted average common shares outstanding	27,602,030	27,616,089	27,594,678	27,519,275
Diluted net income per common share:
Income per common share	$ 0.06	$ 0.31	$ 0.17	$ 0.63
Weighted average common and common equivalent shares outstanding	28,481,553	27,942,689	28,433,260	27,809,308
Revenue Before Reimbursements [Member]
Revenue:
Total revenue	$ 77,629	$ 75,896	$ 153,860	$ 151,623
Reimbursements [Member]
Revenue:
Total revenue	1,270	1,760	2,904	3,220
Cost of service:
Total cost of service	1,270	1,760	2,904	3,220
Personnel Cost Before Reimbursements [Member]
Cost of service:
Total cost of service	$ 49,672	$ 45,395	$ 98,052	$ 91,166