Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities
Consolidated net income	$ 3,502,000	$ 2,091,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,476,000	4,877,000
Amortization of debt discount and debt issuance costs	429,000	902,000
Provision for allowances	1,935,000	2,254,000
Deferred income tax expense	1,200,000	(6,288,000)
Gain on derivative liability	(1,581,000)	(12,865,000)
Acquisition-related contingent consideration	551,000	470,000
Impairment charges	0	24,311,000
Loss on early extinguishment of debt	4,969,000	1,568,000
Equity compensation	2,015,000	1,767,000
Other non-cash costs	22,000	5,000
Changes in operating assets and liabilities:
Accounts receivable	15,783,000	9,000
Prepaid expenses and other assets	279,000	565,000
Accounts payable and accrued expenses	(8,449,000)	(5,007,000)
Other liabilities	394,000	(1,792,000)
Net cash provided by operating activities	25,525,000	12,867,000
Cash flows from investing activities
Acquisition-related settlements	0	(1,858,000)
Purchases of property and equipment	(3,386,000)	(2,616,000)
Net cash used in investing activities	(3,386,000)	(4,474,000)
Cash flows from financing activities
Debt issuance costs	0	(990,000)
Repayments of debt	(6,509,000)	(95,247,000)
Borrowings on debt	0	97,200,000
Extinguishment fees	(578,000)	(641,000)
Other	(1,769,000)	(914,000)
Net cash used in financing activities	(8,856,000)	(592,000)
Effect of exchange rate changes on cash	23,000	(25,000)
Change in cash and cash equivalents	13,306,000	7,776,000
Cash and cash equivalents at beginning of period	20,630,000	2,453,000
Cash and cash equivalents at end of period	$ 33,936,000	$ 10,229,000