Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income	$ 3,553	$ 6,207
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Gain on change in fair value of contingent consideration, net	(677)	(3,446)
Depreciation and amortization	4,657	3,761
Deferred income taxes	(556)	(169)
Non-cash compensation expense	2,419	2,534
Changes in other operating items:
Accounts and other receivables	(10,528)	10,568
Unbilled revenue	8,266	(2,753)
Prepaid expenses and other current assets	(2,449)	(1,755)
Accounts payable and accrued expenses	(11,772)	(1,775)
Deferred revenue	141	(7,067)
Other	643	1,020
Net cash (used in) provided by operating activities	(6,303)	7,125
Cash flows from investing activities:
Additions to property, plant and equipment	(1,027)	(1,514)
Acquisitions, net of cash acquired	0	(39,957)
Other investing activities	(227)	(2,051)
Net cash used in investing activities	(1,254)	(43,522)
Cash flows from financing activities:
Proceeds from short-term borrowings	0	24,197
Proceeds from long-term debt	77,050	18,000
Repayment of long-term debt	(73,900)	(6,000)
Change in negative cash book balance	(1,584)	(695)
Repurchases of common stock in the open market	0	(7,823)
Other financing activities	(402)	(80)
Net cash provided by financing activities	1,164	27,599
Effect of exchange rate changes on cash and cash equivalents	(913)	(680)
Net decrease in cash	(7,306)	(9,478)
Cash at beginning of period	13,417	23,612
Cash at end of period	6,111	14,134
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	3,197	1,388
Cash (refunded) paid during the period for income taxes	$ (498)	$ 3,371