Segment Information - Schedule of Operating Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022
Segment Reporting Information [Line Items]
Revenue	$ 74,588	$ 82,759	$ 152,790	$ 172,176
Gross profit	20,995	19,750	41,130	40,345
Contribution profit	10,619	10,662	20,542	22,087
General and administrative expenses	10,334	7,489	19,550	15,715
Operating income	285	3,173	992	6,372
North America IT Solutions and Services Segment [Member]
Segment Reporting Information [Line Items]
Revenue	25,997	20,339	49,193	40,773
Direct costs	15,485	13,260	29,697	26,832
Gross profit	10,512	7,079	19,496	13,941
Sales, solutions, delivery, and recruiting expenses	4,715	3,532	9,512	6,663
Contribution profit	5,797	3,547	9,984	7,278
Europe IT Solutions and Services Segment [Member]
Segment Reporting Information [Line Items]
Revenue	38,393	37,160	78,486	79,638
Direct costs	29,150	27,578	59,919	59,577
Gross profit	9,243	9,582	18,567	20,061
Sales, solutions, delivery, and recruiting expenses	5,288	4,855	10,340	10,083
Contribution profit	3,955	4,727	8,227	9,978
Non Strategic Technology Services [Member]
Segment Reporting Information [Line Items]
Revenue	10,198	25,260	25,111	51,765
Direct costs	8,958	22,171	22,044	45,422
Gross profit	1,240	3,089	3,067	6,343
Sales, solutions, delivery, and recruiting expenses	373	701	736	1,512
Contribution profit	$ 867	$ 2,388	$ 2,331	$ 4,831