Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flow from operating activities:
Net income	$ 6,609	$ 13,730	$ 7,639
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	2,999	3,172	3,309
Equity-based compensation expense	2,563	2,640	2,483
Deferred income taxes	19	(4,731)	(370)
Deferred compensation benefits	(474)	(639)	(108)
Loss (gain) on the sale/disposal of property and equipment	21	15	(799)
Impairment of capitalized software			855
Non-taxable life insurance gain			(987)
Changes in assets and liabilities that provide (use) cash, excluding the effects of acquisitions:
Accounts receivable	12,138	(10,302)	16,961
Prepaid and other current assets	(864)	(374)	(65)
Other long-term assets	120	(408)	(596)
Cash surrender value of life insurance	492	100	749
Accounts payable	(7,905)	2,936	(577)
Accrued compensation	(2,804)	2,085	(3,081)
Income taxes payable / receivable	340	1,125	(1,304)
Deferred payroll taxes	(3,508)	(3,150)	6,658
Advance billings on contracts	993	1,813	1,267
Other current liabilities	(78)	(561)	(818)
Other long-term liabilities	1,224	(40)	(478)
Net cash provided by operating activities	11,885	7,411	30,738
Cash flow from investing activities:
Cash paid for acquisitions, net of cash received	(18,210)		(4,324)
Additions to property and equipment	(1,001)	(1,940)	(1,780)
Additions to capitalized software	(473)		(1,105)
Proceeds from the sale of property and equipment	12		2,442
Premiums paid for life insurance	(594)	(531)	(616)
Proceeds from life insurance			400
Net cash used in investing activities	(20,266)	(2,471)	(4,983)
Cash flow from financing activities:
Proceeds from long-term debt			40,845
Payments on long-term debt	(1,030)		(46,135)
Deferred debt financing costs		(1,206)
Proceeds from stock option plan exercises	216	366
Taxes remitted for shares withheld from equity-based compensation transactions	(1,230)	(399)	(168)
Proceeds from Employee Stock Purchase Plan	181	165	143
Change in cash overdraft, net	843		(370)
Net cash used in financing activities	(1,020)	(1,074)	(5,685)
Effect of exchange rates on cash and cash equivalents	(1,043)	(1,147)	2,014
Net (decrease) increase in cash and cash equivalents	(10,444)	2,719	22,084
Cash and cash equivalents at beginning of year	35,584	32,865	10,781
Cash and cash equivalents at end of year	25,140	$ 35,584	$ 32,865
Supplemental Cash Flow Elements [Abstract]
Acquisition share issuance	1,178
Acquisition stock option issuance	$ 391