CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Contract revenue	$ 83,549	$ 104,396	$ 189,575	$ 196,189
Direct costs of contract revenue (inclusive of directly related depreciation and amortization):
Salaries and wages	13,650	15,624	32,565	30,534
Subcontractor services and other direct costs	40,355	57,623	96,775	108,571
Total direct costs of contract revenue	54,005	73,247	129,340	139,105
General and administrative expenses:
Salaries and wages, payroll taxes and employee benefits	15,331	15,437	35,743	30,406
Facilities and facility related	2,642	2,047	5,336	3,819
Stock-based compensation	4,230	2,224	8,825	4,041
Depreciation and amortization	5,466	2,866	9,985	5,520
Other	5,716	5,802	12,456	10,759
Total general and administrative expenses	33,385	28,376	72,345	54,545
Income (Loss) from operations	(3,841)	2,773	(12,110)	2,539
Other income (expense):
Interest expense, net	(1,257)	(1,221)	(2,770)	(2,342)
Other, net	23	18	46	29
Total other expense, net	(1,234)	(1,203)	(2,724)	(2,313)
Income (Loss) before income taxes	(5,075)	1,570	(14,834)	226
Income tax benefit	(90)	(70)	(1,695)	(997)
Net income (loss)	(4,985)	1,640	(13,139)	1,223
Other comprehensive income (loss):
Net unrealized gain (loss) on derivative contracts, net of tax	83	(219)	(366)	(438)
Comprehensive income (loss)	$ (4,902)	$ 1,421	$ (13,505)	$ 785
Earnings (Loss) per share:
Basic (in dollars per share)	$ (0.43)	$ 0.15	$ (1.13)	$ 0.11
Diluted (in dollars per share)	$ (0.43)	$ 0.14	$ (1.13)	$ 0.10
Weighted-average shares outstanding:
Basic	11,682	11,100	11,593	11,037
Diluted	11,682	11,679	11,593	11,670