CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash flows from Operating Activities:
Net income (loss)	$ 5,785	$ (3,533)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	1,621	1,959
Bad debt recovery	(2)
Bad debt expense		20
Amortization of debt discount	106	72
Non-cash interest expense	213	0
Gain on extinguishment of debt	(9,045)	0
Stock-based compensation	458	929
Stock-based expense	0	204
Impairment charges	1,713	675
Deferred tax benefit	(230)	(79)
Changes in assets and liabilities:
Accounts receivable	421	1,043
Prepaid expenses and other current assets	263	(425)
Other assets	2	1
Accounts payable	262	(310)
Accrued expenses and other liabilities	178	(327)
Accrued sales taxes and regulatory fees	(136)	(46)
Net cash provided by operating activities	1,609	183
Cash flows from Investing Activities:
Purchases of property and equipment	(133)	(382)
Net cash used in investing activities	(133)	(382)
Cash flows from Financing Activities:
Principal payments under borrowing arrangements	(605)	(400)
Proceeds from new loan agreements, net of expenses of $175	2,025	0
Payment of equity issuance costs	(45)	(12)
Proceeds from Series B preferred stock, net of expenses of $520	2,280	0
Purchase of treasury stock	(2,325)	(13)
Net cash provided by (used in) financing activities	1,330	(425)
Increase (decrease) in cash and cash equivalents	2,806	(624)
Cash at beginning of period	1,140	1,764
Cash at end of period	3,946	1,140
Supplement disclosures of cash flow information:
Cash paid during the period for interest	878	1,116
Non-cash investing and financing activities:
Conversion of preferred stock to common stock	1	0
Extinguished debt and accrued interest in exchange for common stock	2,192	0
Recognition of prepaid equity issuance costs as additional paid-in capital	0	18
Accrued preferred stock dividends	$ 12	$ 12