Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (3,883)	$ (4,396)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	2,970	3,065
Operating lease right-of-use asset expense	1,152	1,135
Amortization of deferred loan costs	24	56
Noncash interest expense	345	0
Stock-based compensation expense	1,320	1,384
Foreign currency transaction losses on short-term intercompany balances	1,456	206
Deferred income taxes	338	0
Changes in operating assets and liabilities
Billed receivables	5,131	4,413
Unbilled receivables	(2,184)	(939)
Prepaid expenses and other current assets	2,583	516
Operating lease liabilities	(1,009)	(1,093)
Other assets	(64)	(65)
Accounts payable and accrued expenses	(5,800)	(3,048)
Accrued payroll and related expenses	(760)	(4,938)
Refund liabilities	(355)	(537)
Deferred revenue	(400)	(45)
Net cash provided by (used in) operating activities	5,232	(2,408)
Cash flows from investing activities:
Purchases of property, equipment and software, net of disposal proceeds	(2,517)	(4,441)
Net cash used in investing activities	(2,517)	(4,441)
Cash flows from financing activities:
Repayments of credit facility	(15,000)	0
Proceeds from credit facility	23,000	8,400
Payment of deferred loan costs	0	(347)
Payment of earnout liability related to business acquisitions	0	(479)
Restricted stock repurchased from employees for withholding taxes	(283)	(504)
Repurchases of common stock	(284)	(2,228)
Proceeds from option exercises	0	51
Net cash provided by financing activities	7,433	4,893
Effect of exchange rates on cash and cash equivalents	138	170
Net increase (decrease) in cash, cash equivalents and restricted cash	10,286	(1,786)
Cash, cash equivalents and restricted cash at beginning of period	15,028	13,973
Cash, cash equivalents and restricted cash at end of period	25,314	12,187
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	371	325
Cash paid during the period for income taxes, net of refunds received	$ 164	$ 779