CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net loss	$ (3,021)	$ (1,217)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	1,509	1,653
Bad debt expense	6	27
Amortization of deferred financing costs	54	68
Stock-based compensation expense	748	569
Accrued non-cash stock-based expense	168	0
Impairment charges	630	138
Deferred tax provision	111	0
Increase (decrease) attributable to changes in assets and liabilities:
Accounts receivable	953	227
Prepaid expenses and other current assets	(342)	231
Other assets	1	(21)
Accounts payable	(271)	(365)
Accrued expenses and other liabilities	(281)	72
Net cash provided by operating activities	265	1,382
Cash flows from investing activities:
Purchases of property and equipment	(273)	(1,057)
Proceeds from sale of equipment	0	3
Net cash used in investing activities	(273)	(1,054)
Cash flows from financing activities:
Principal payments for capital lease obligations	0	(38)
Principal payments under borrowing arrangements	(400)	(379)
Proceeds from issuance of common stock	0	18
Payment of equity issuance costs	0	(3)
Purchase of treasury stock	(13)	(139)
Net cash used in financing activities	(413)	(541)
Decrease in cash and cash equivalents	(421)	(213)
Cash at beginning of period	1,764	1,938
Cash at end of period	1,343	1,725
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	841	921
Non-cash investing and financing activities:
Preferred stock dividends	9	15
Accrued capital expenditure	0	79
Preferred stock conversion	0	89
Recognition of prepaid equity issuance costs as additional paid-in capital	$ 18	$ 134