Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities
Consolidated net income (loss)	$ 1,920	$ (1,718)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	2,909	2,191
Provision for allowances	671	1,038
Deferred income tax expense	825	597
Gain on derivative liability	0	(1,581)
Loss on early extinguishment of debt	0	4,969
Equity compensation	469	737
Other non-cash costs	322	635
Changes in operating assets and liabilities:
Accounts receivable	12,598	10,817
Prepaid expenses and other assets	(477)	(264)
Accounts payable and accrued expenses	(5,786)	(16,087)
Other liabilities	(178)	76
Net cash provided by operating activities	13,273	1,410
Cash flows from investing activities
Acquisition-related settlements	(24)	0
Purchases of property and equipment	(1,003)	(1,090)
Net cash used in investing activities	(1,027)	(1,090)
Cash flows from financing activities
Principal payments on Term Loans	(1,250)	(1,000)
Convertible Note cash payment	0	(5,000)
Extinguishment fees	0	(578)
Stock repurchase and retirement	(2,885)	0
Other	(1,014)	(1,005)
Net cash used in financing activities	(5,149)	(7,583)
Effect of exchange rate changes on cash	(13)	34
Change in cash and cash equivalents	7,084	(7,229)
Cash and cash equivalents at beginning of period	25,537	20,630
Cash and cash equivalents at end of period	$ 32,621	$ 13,401