CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash flows from Operating Activities:
Net loss	$ (2,143)	$ (2,755)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	2,235	2,735
Bad debt expense (recovery)	37	(131)
Amortization of deferred financing costs	87	89
Stock-based compensation	813	600
Impairment charges	138	2,089
Deferred tax provision	170	142
Increase (decrease) attributable to changes in assets and liabilities:
Accounts receivable	539	935
Prepaid expenses and other current assets	267	(621)
Other assets	15	71
Accounts payable	(835)	(726)
Accrued expenses and other liabilities	(83)	(497)
Accrued sales taxes and regulatory fees	(3)	(146)
Net cash provided by operating activities	1,237	1,785
Cash flows from Investing Activities:
Proceeds from sale of equipment	3	4
Purchases of property and equipment	(1,247)	(2,176)
Net cash used in investing activities	(1,244)	(2,172)
Cash flows from Financing Activities:
Cost of preferred stock exchange	0	(5)
Principal payments for capital lease	(43)	(216)
Principal payments under borrowing arrangements	(613)	(249)
Advances on borrowing arrangements	613	249
Proceeds from issuance of common stock	18	416
Payment of equity issuance costs	(2)	(39)
Payment of debt issuance costs	0	(59)
Purchase of treasury stock	(140)	(66)
Net cash (used in) provided by financing activities	(167)	31
Decrease in cash and cash equivalents	(174)	(356)
Cash at beginning of year	1,938	2,294
Cash at end of year	1,764	1,938
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	1,199	1,330
Non-cash investing and financing activities:
Accrued capital expenditure	0	81
Preferred stock conversion (including accrued dividends of $22)	89	0
Recognition of prepaid equity issuance costs as additional paid-in capital	136	0
Accrued preferred stock dividends	18	20
Restricted stock issued to settle accrued 2013 bonuses
Non-cash investing and financing activities:
Issuance of restricted stock to settle accrued 2013 bonuses	0	$ 165
Preferred Stock
Preferred stock conversion, accrued dividends	$ 22