CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net loss	$ (503)	$ (833)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	1,115	1,354
Bad debt expense (recovery)	1	(107)
Amortization of deferred financing costs	45	44
Stock-based compensation expense	336	290
Impairment charges	134	178
Increase (decrease) attributable to changes in assets and liabilities:
Accounts receivable	(83)	581
Prepaid expenses and other current assets	341	(178)
Other assets	27	50
Accounts payable	(572)	304
Accrued expenses and other liabilities	128	(437)
Net cash provided by operating activities	969	1,246
Cash flows from investing activities:
Purchases of property and equipment	(825)	(1,081)
Proceeds from sale of equipment	3	4
Net cash used in investing activities	(822)	(1,077)
Cash flows from financing activities:
Costs of preferred stock exchange	0	(5)
Principal payments for capital lease obligations	(30)	(131)
Principal payments under borrowing arrangements	(300)	(102)
Proceeds from issuance of common stock	18	0
Payment of equity issuance costs	(3)	1
Payment of debt issuance costs	0	(59)
Purchase of treasury stock	(139)	(66)
Net cash used in financing activities	(454)	(362)
Decrease in cash and cash equivalents	(307)	(193)
Cash at beginning of period	1,938	2,294
Cash at end of period	1,631	2,101
Supplement disclosures of cash flow information:
Cash paid during the period for interest	642	656
Non-cash investing and financing activities:
Preferred stock dividends	10	10
Issuance of restricted stock to settle accrued 2013 bonuses	0	165
Accrued capital expenditure	68	151
Recognition of prepaid equity issuance costs as additional paid-in capital	$ 134	$ 0