CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net loss	$ (1,217)	$ (635)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	1,653	1,977
Bad debt expense (recovery)	27	(136)
Amortization of deferred financing costs	68	67
Stock-based compensation expense	569	446
Impairment charges	138	178
Increase (decrease) attributable to changes in assets and liabilities:
Accounts receivable	227	504
Prepaid expenses and other current assets	231	(538)
Other assets	(21)	41
Accounts payable	(365)	(611)
Accrued expenses and other liabilities	72	267
Net cash provided by operating activities	1,382	1,560
Cash flows from investing activities:
Purchases of property and equipment	(1,057)	(1,591)
Proceeds from sale of equipment	3	4
Net cash used in investing activities	(1,054)	(1,587)
Cash flows from financing activities:
Costs of preferred stock exchange	0	(5)
Principal payments for capital lease obligations	(38)	(198)
Principal payments under borrowing arrangements	(379)	(149)
Advances on borrowing arrangements	0	249
Proceeds from issuance of common stock	18	118
Payment of equity issuance costs	(3)	(4)
Payment of debt issuance costs	0	(59)
Purchase of treasury stock	(139)	(66)
Net cash used in financing activities	(541)	(114)
Decrease in cash and cash equivalents	(213)	(141)
Cash at beginning of period	1,938	2,294
Cash at end of period	1,725	2,153
Supplement disclosures of cash flow information:
Cash paid during the period for interest	921	985
Non-cash investing and financing activities:
Preferred stock dividends	15	15
Issuance of restricted stock to settle accrued 2013 bonuses	0	165
Preferred stock conversion	89	0
Accrued capital expenditure	79	151
Recognition of prepaid equity issuance costs as additional paid-in capital	$ 134	$ 0