Segment Information and Geographical Data (Segment Information and Geographical Data) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Segment Reporting Information [Line Items]
Total revenue	$ 78,899	$ 77,656	$ 156,764	$ 154,843
Selling, general and administrative costs	23,362	17,985	46,810	36,314
Segment contribution	21,331	21,370	42,732	41,567
Corporate general and administrative expenses	5,248	5,063	10,902	10,092
Non-cash stock compensation expense	2,814	2,850	5,579	5,449
Stock price award program compensation expense	5,142		10,285
Acquisition-related cash compensation expense	308		616
Acquisition-related non-cash stock based compensation expense	1,765		3,530
Acquisition-related costs	194		387
Legal settlement and related costs		0		102
Depreciation expense	1,034	941	2,059	1,883
Amortization expense	231		376
Interest expense, net	366	512	568	984
Income before income taxes	4,229	12,004	8,430	23,057
Revenue Before Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	77,629	75,896	153,860	151,623
Global S&BT [Member]
Segment Reporting Information [Line Items]
Total revenue	44,205	42,262	87,562	83,154
Cost of sales	22,760	21,733	45,086	45,017
Gross Profit, Total	20,851	19,829	41,167	36,798
Selling, general and administrative costs	7,863	7,079	15,395	13,996
Segment contribution	12,988	12,750	25,772	22,802
Global S&BT [Member] | Revenue Before Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	43,611	41,562	86,253	81,815
Oracle Solutions [Member]
Segment Reporting Information [Line Items]
Total revenue	20,801	23,045	41,887	44,774
Cost of sales	13,931	14,919	27,626	28,917
Gross Profit, Total	6,563	7,238	13,264	14,309
Selling, general and administrative costs	2,112	1,870	4,447	3,679
Segment contribution	4,451	5,368	8,817	10,630
Oracle Solutions [Member] | Revenue Before Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	20,494	22,157	40,890	43,226
SAP Solutions [Member]
Segment Reporting Information [Line Items]
Total revenue	13,893	12,349	27,315	26,915
Cost of sales	7,713	7,093	14,851	14,166
Gross Profit, Total	5,811	5,084	11,866	12,416
Selling, general and administrative costs	1,919	1,832	3,723	4,281
Segment contribution	3,892	3,252	8,143	8,135
SAP Solutions [Member] | Revenue Before Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 13,524	$ 12,177	$ 26,717	$ 26,582