Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Revenues	$ 32,652	$ 50,705	$ 77,685	$ 102,300
Cost of services	24,149	37,902	58,339	76,980
Gross profit	8,503	12,803	19,346	25,320
Operating costs and expenses
Selling, general and administrative	8,994	10,202	19,231	20,667
Depreciation and amortization of property and equipment	246	325	501	640
Amortization of acquired intangible assets	80	83	160	165
Write-off of receivables and professional fees incurred related to arbitration	350		8,397
Operating costs and expenses	9,670	10,610	28,289	21,472
Operating (loss) income	(1,167)	2,193	(8,943)	3,848
Other expense (income)
Interest expense and other, net	184	458	524	887
Imputed interest on contingent consideration	36	48	72	96
Loss (gain) on foreign currency transactions	13	(23)	46	(34)
Other expense, net	233	483	642	949
(Loss) income before income taxes	(1,400)	1,710	(9,585)	2,899
Income tax (benefit) expense	(408)	459	(2,648)	185
Net (loss) income	$ (992)	$ 1,251	$ (6,937)	$ 2,714
Basic and diluted net (loss) earnings per share (in dollars per share)	$ (0.08)	$ 0.10	$ (0.54)	$ 0.21