Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ 1,724	$ (1,294)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Change in fair value of contingent consideration, net	269	0
Gain on sale of business	0	(1,064)
Depreciation and amortization	1,472	2,177
Deferred income taxes	(215)	(414)
Non-cash compensation expense	1,667	1,256
Changes in other operating items:
Accounts and other receivables	23,704	25,290
Unbilled revenue	(12,875)	(5,252)
Prepaid expenses and other assets	(1,211)	(3,602)
Accounts payable, accrued expenses and net change in operating leases	(18,290)	(10,917)
Deferred revenue	3,561	4,429
Other	758	(762)
Net cash provided by operating activities	564	9,847
Cash flows from investing activities:
Additions to property, plant and equipment	(455)	(467)
Proceeds from sale of business	0	3,328
Capitalized software development costs and other	0	24
Net cash provided by (used in) investing activities	(455)	2,837
Cash flows from financing activities:
Proceeds from long-term debt	43,700	62,187
Repayment of long-term debt	(56,446)	(70,220)
Change in negative cash book balance	0	(3,701)
Other financing activities	(203)	(8)
Net cash used in financing activities	(12,949)	(11,742)
Effect of exchange rate changes on cash and cash equivalents	522	(76)
Net increase (decrease) in cash	(12,318)	866
Cash at beginning of period	23,076	8,159
Cash at end of period	10,758	9,025
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	192	938
Cash paid during the period for income taxes	$ 405	$ 570