Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022
Revenue	$ 58,049	$ 58,152	$ 192,209	$ 214,459
Cost of services	40,768	40,794	137,144	151,998
Gross profit	17,281	17,358	55,065	62,461
Operating costs and expenses
Selling, general and administrative	12,662	12,551	38,782	39,962
Depreciation and amortization of property and equipment	243	266	756	729
Amortization of acquired intangible assets	45	0	136	0
Gain on sale of assets	0	(219)	(395)	(219)
Operating costs and expenses, net of gain on sale of assets	12,950	12,598	39,279	40,472
Operating income	4,331	4,760	15,786	21,989
Other expense (income)
Interest expense and other, net	185	35	970	201
Gain on foreign currency transactions	(44)	(90)	(5)	(232)
Other expense (income), net	141	(55)	965	(31)
Income before income taxes	4,190	4,815	14,821	22,020
Income tax expense	434	1,297	3,245	5,968
Net income	$ 3,756	$ 3,518	$ 11,576	$ 16,052
Basic net earnings per share (in dollars per share)	$ 0.47	$ 0.35	$ 1.37	$ 1.58
Diluted net earnings per share (in dollars per share)	$ 0.46	$ 0.33	$ 1.33	$ 1.52