Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Revenue:
Revenue	$ 71,229	$ 75,664
Cost of service:
Total cost of service	44,541	47,889
Selling, general and administrative costs (includes $921 and $933 of non-cash stock based compensation expense in the three months ended March 31, 2023 and April 1, 2022, respectively)	15,436	14,366
Total costs and operating expenses	59,977	62,255
Income from operations	11,252	13,409
Other expense, net:
Interest expense, net	(859)	(28)
Income from operations before income taxes	10,393	13,381
Income tax expense	2,232	2,876
Net income	$ 8,161	$ 10,505
Basic net income per common share:
Income per common share from operations	$ 0.30	$ 0.33
Weighted average common shares outstanding	27,026,460	31,449,408
Diluted net income per common share:
Income per common share from operations	$ 0.30	$ 0.33
Weighted average common and common equivalent shares outstanding	27,268,617	31,843,563
Revenue Before Reimbursements [Member]
Revenue:
Revenue	$ 69,831	$ 75,108
Reimbursements [Member]
Revenue:
Revenue	1,398	556
Cost of service:
Total cost of service	1,398	556
Cost Before Reimbursements [Member]
Cost of service:
Total cost of service	$ 43,143	$ 47,333