CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net loss	$ (234)us-gaap_NetIncomeLoss	$ (834)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	555	688
Bad debt recovery	(3)us-gaap_ProvisionForDoubtfulAccounts	(107)us-gaap_ProvisionForDoubtfulAccounts
Amortization of deferred financing costs	22us-gaap_AmortizationOfFinancingCosts	22us-gaap_AmortizationOfFinancingCosts
Stock-based compensation expense	113us-gaap_ShareBasedCompensation	233us-gaap_ShareBasedCompensation
Impairment charges	125us-gaap_OtherAssetImpairmentCharges	101us-gaap_OtherAssetImpairmentCharges
Increase (decrease) attributable to changes in assets and liabilities:
Accounts receivable	(281)	564
Prepaid expenses and other current assets	187	(6)
Other assets	28	8
Accounts payable	206	(179)
Accrued expenses and other liabilities	(116)	44
Net cash provided by operating activities	602	534
Cash flows from investing activities:
Purchases of property and equipment	(533)	(434)
Proceeds from sale of equipment	3	0
Net cash used in investing activities	(530)	(434)
Cash flows from financing activities:
Costs of preferred stock exchange	0	(5)
Principal payments for capital lease obligations	(18)	(65)
Principal payments under borrowing arrangements	0us-gaap_RepaymentsOfLongTermDebt	(49)us-gaap_RepaymentsOfLongTermDebt
Proceeds from issuance of common stock	18us-gaap_ProceedsFromRepurchaseOfEquity	0us-gaap_ProceedsFromRepurchaseOfEquity
Payment of debt issuance costs	0us-gaap_PaymentsOfDebtIssuanceCosts	(59)us-gaap_PaymentsOfDebtIssuanceCosts
Purchase of treasury stock	(139)	(30)
Net cash used in financing activities	(139)	(208)
Decrease in cash and cash equivalents	(67)	(108)
Cash at beginning of period	1,938us-gaap_Cash	2,294us-gaap_Cash
Cash at end of period	1,871us-gaap_Cash	2,186us-gaap_Cash
Supplement disclosures of cash flow information:
Cash paid during the period for interest	355us-gaap_InterestPaid	328us-gaap_InterestPaid
Non-cash investing and financing activities:
Preferred stock dividends	5	5
Issuance of restricted stock to settle accrued 2013 bonuses	0	165
Accrued capital expenditure	48	0
Recognition of prepaid equity issuance costs as additional paid in capital	$ 134	$ 0

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