Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2022	Apr. 02, 2021
Cash flow from operating activities:
Net income	$ 2,240	$ 1,508
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	716	854
Equity-based compensation expense	573	590
Deferred income taxes	135	(95)
Deferred compensation benefits	103	135
Changes in assets and liabilities that provide (use) cash, excluding the effects of acquisitions:
Accounts receivable	8,530	994
Prepaid and other current assets	(340)	(600)
Other long-term assets	(122)	(173)
Cash surrender value of life insurance	262	172
Accounts payable	(8,467)	(4,139)
Accrued compensation	(1,646)	2,267
Income taxes payable / receivable	271	40
Advance billings on contracts	998	1,140
Other current liabilities	1,153	(430)
Other long-term liabilities	2	(8)
Net cash provided by operating activities	4,408	2,255
Cash flow from investing activities:
Additions to property and equipment	(61)	(891)
Net cash used in investing activities	(61)	(891)
Cash flow from financing activities:
Proceeds from stock option plan exercises	90	223
Taxes remitted for shares withheld from equity-based compensation transactions	(971)	(96)
Proceeds from Employee Stock Purchase Plan	37	36
Net cash provided by (used in) financing activities	(844)	163
Effect of exchange rates on cash and cash equivalents	(363)	(868)
Net increase in cash and cash equivalents	3,140	659
Cash and cash equivalents at beginning of year	35,584	32,865
Cash and cash equivalents at end of quarter	$ 38,724	$ 33,524