Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities
Consolidated net income	$ 3,744	$ 3,502
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,872	4,476
Provision for allowances	2,371	1,935
Deferred income tax expense	1,868	1,200
Gain on derivative liability	0	(1,581)
Loss on early extinguishment of debt	0	4,969
Equity compensation	1,383	2,015
Other non-cash costs	651	1,002
Changes in operating assets and liabilities:
Accounts receivable	8,808	15,783
Prepaid expenses and other assets	(999)	279
Accounts payable and accrued expenses	(4,930)	(8,449)
Other liabilities	(829)	394
Net cash provided by operating activities	17,939	25,525
Cash flows from investing activities
Acquisition-related settlements	(26)	0
Purchases of property and equipment	(2,289)	(3,386)
Net cash used in investing activities	(2,315)	(3,386)
Cash flows from financing activities
Principal payments on Term Loans	(2,500)	(1,500)
Convertible Note cash payment	0	(5,000)
Extinguishment fees	0	(578)
Stock repurchase and retirement	(4,700)	0
Other	(1,366)	(1,778)
Net cash used in financing activities	(8,566)	(8,856)
Effect of exchange rate changes on cash	(36)	23
Change in cash and cash equivalents	7,022	13,306
Cash and cash equivalents at beginning of period	25,537	20,630
Cash and cash equivalents at end of period	$ 32,559	$ 33,936