CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net loss	$ (712)	$ (234)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	547	555
Bad debt recovery	(9)	(3)
Amortization of deferred financing costs	18	22
Stock-based compensation expense	312	113
Impairment charges	0	125
Deferred tax provision	37	0
Increase (decrease) attributable to changes in assets and liabilities:
Accounts receivable	(36)	(281)
Prepaid expenses and other current assets	34	187
Other assets	0	28
Accounts payable	38	206
Accrued expenses and other liabilities	129	(116)
Net cash provided by operating activities	358	602
Cash flows from investing activities:
Purchases of property and equipment	(78)	(533)
Proceeds from sale of equipment	0	3
Net cash used in investing activities	(78)	(530)
Cash flows from financing activities:
Principal payments for capital lease obligations	0	(18)
Proceeds from issuance of common stock	0	18
Purchase of treasury stock	(13)	(139)
Net cash used in financing activities	(13)	(139)
Increase (decrease) in cash and cash equivalents	267	(67)
Cash at beginning of period	1,764	1,938
Cash at end of period	2,031	1,871
Supplement disclosures of cash flow information:
Cash paid during the period for interest	281	355
Non-cash investing and financing activities:
Preferred stock dividends	3	5
Accrued capital expenditure	0	48
Recognition of prepaid equity issuance costs as additional paid-in capital	$ 0	$ 134