Segment Information and Geographical Data (Segment Information and Geographical Data) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2025	Mar. 29, 2024
Segment Reporting Information [Line Items]
Total revenue	$ 77,865	$ 77,187
Selling, general and administrative costs	23,448	18,329
Contribution margin	21,403	20,196
Corporate general and administrative expenses	5,656	5,028
Non-cash stock compensation expense	2,765	2,599
Stock price award program compensation expense	5,142
Acquisition-related cash compensation expense	308
Acquisition-related non-cash stock based compensation expense	1,765
Acquisition-related costs	194
Legal settlement and related costs		102
Depreciation expense	1,025	942
Amortization expense	145
Interest expense, net	202	472
Income before income taxes	4,201	11,053
Revenue Before Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	76,231	75,727
Global S&BT [Member]
Segment Reporting Information [Line Items]
Total revenue	43,357	40,892
Cost of sales	22,325	23,284
Gross Profit, Total	20,317	16,970
Selling, general and administrative costs	7,531	6,917
Contribution margin	12,786	10,053
Global S&BT [Member] | Revenue Before Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	42,642	40,254
Oracle Solutions [Member]
Segment Reporting Information [Line Items]
Total revenue	21,085	21,729
Cost of sales	13,695	13,998
Gross Profit, Total	6,701	7,070
Selling, general and administrative costs	2,334	1,809
Contribution margin	4,367	5,261
Oracle Solutions [Member] | Revenue Before Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	20,396	21,068
SAP Solutions [Member]
Segment Reporting Information [Line Items]
Total revenue	13,423	14,566
Cost of sales	7,139	7,074
Gross Profit, Total	6,054	7,332
Selling, general and administrative costs	1,804	2,450
Contribution margin	4,250	4,882
SAP Solutions [Member] | Revenue Before Reimbursements [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 13,193	$ 14,406