Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2021	Mar. 27, 2020
Revenue:
Total revenue	$ 63,486	$ 69,533
Cost of service:
Stock compensation expense	1,847	1,594
Total cost of service	41,246	47,054
Selling, general and administrative costs	12,647	14,135
Stock compensation expense	740	636
Total costs and operating expenses	54,633	61,825
Income from operations	8,853	7,708
Other expense:
Interest expense	(25)	(37)
Income from operations before income taxes	8,828	7,671
Income tax expense	2,460	2,136
Income from continuing operations	6,368	5,535
Loss from discontinued operations	(7)	(8)
Net income	$ 6,361	$ 5,527
Basic net income per common share:
Income per common share from continuing operations	$ 0.21	$ 0.19
Loss per common share from discontinued operations	0.00	0.00
Net income per common share	0.21	0.19
Diluted net income per common share:
Income per common share from continuing operations	0.19	0.17
Loss per common share from discontinued operations	0.00	0.00
Net income per common share	$ 0.19	$ 0.17
Weighted average common shares outstanding:
Basic	30,207,490	29,889,142
Diluted	32,769,167	32,264,007
Revenue Before Reimbursements [Member]
Revenue:
Total revenue	$ 63,410	$ 65,186
Reimbursements [Member]
Revenue:
Total revenue	76	4,347
Cost of service:
Reimbursable expenses	76	4,347
Cost Before Reimbursements [Member]
Cost of service:
Personnel costs before reimbursable expenses	$ 39,323	$ 41,113