CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net loss	$ (668)	$ (712)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	459	547
Bad debt recovery	(4)	(9)
Amortization of deferred financing costs	18	18
Stock-based compensation expense	164	312
Deferred tax provision	27	37
Increase (decrease) attributable to changes in assets and liabilities:
Accounts receivable	(2)	(36)
Prepaid expenses and other current assets	(60)	34
Accounts payable	83	38
Accrued expenses and other liabilities	56	(78)
Accrued sales taxes and regulatory fees	(55)	207
Net cash provided by operating activities	18	358
Cash flows from investing activities:
Purchases of property and equipment	(36)	(78)
Net cash used in investing activities	(36)	(78)
Cash flows from financing activities:
Purchase of treasury stock	(12)	(13)
Net cash used in financing activities	(12)	(13)
Increase (decrease) in cash and cash equivalents	(30)	267
Cash at beginning of period	1,140	1,764
Cash at end of period	1,110	2,031
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	266	281
Non-cash investing and financing activities:
Preferred stock dividends	$ 3	$ 3