CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Contract revenue	$ 121,399	$ 98,297	$ 315,882	$ 261,537
Direct costs of contract revenue (inclusive of directly related depreciation and amortization):
Salaries and wages	21,420	16,346	61,514	48,532
Subcontractor services and other direct costs	62,457	43,824	153,896	111,860
Total direct costs of contract revenue	83,877	60,170	215,410	160,392
General and administrative expenses:
Salaries and wages, payroll taxes and employee benefits	20,373	19,374	60,169	57,530
Facilities and facility related	2,228	2,351	6,999	7,373
Stock-based compensation	1,607	4,210	6,626	14,349
Depreciation and amortization	4,405	4,267	13,240	12,678
Other	9,664	6,482	25,099	19,033
Total general and administrative expenses	38,277	36,684	112,133	110,963
Income (Loss) from operations	(755)	1,443	(11,661)	(9,818)
Other income (expense):
Interest expense, net	(1,435)	(937)	(3,216)	(3,100)
Other, net	740	98	1,266	34
Total other expense, net	(695)	(839)	(1,950)	(3,066)
Income (Loss) before income taxes	(1,450)	604	(13,611)	(12,884)
Income tax (benefit) expense	(1,526)	(236)	(5,588)	(5,357)
Net income (loss)	76	840	(8,023)	(7,527)
Other comprehensive income (loss):
Unrealized gain (loss) on derivative contracts, net of tax		111	38	343
Comprehensive income (loss)	$ 76	$ 951	$ (7,985)	$ (7,184)
Earnings (loss) per share:
Basic (in dollars per share)	$ 0.01	$ 0.07	$ (0.62)	$ (0.61)
Diluted (in dollars per share)	$ 0.01	$ 0.06	$ (0.62)	$ (0.61)
Weighted-average shares outstanding:
Basic (in shares)	13,110	12,606	12,971	12,391
Diluted (in shares)	13,360	13,141	12,971	12,391