Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net loss	$ (812)	$ (1,224)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3	252
Debt discount amortization	100	72
Loss on disposal of fixed assets	8
Stock-based compensation	143	99
Gain on sale of intangible assets		(239)
Changes in operating assets and liabilities:
Accounts receivable	(27)	54
Prepaid expenses and other current assets	(27)	26
Accounts payable	11	(73)
Accrued compensation	(61)	(57)
Other accrued and long-term liabilities	305	109
Deferred revenue	(44)	14
Net cash used in operating activities	(401)	(967)
Cash flows from investing activities:
Acquisition of property and equipment		(2)
Net cash used in investing activities		(2)
Cash flows from financing activities:
Proceeds from issuance of short-term debt	320
Proceeds from issuance of long-term debt		505
Payment of short-term debt	(40)
Proceeds from the sale of intangible assets		239
Net cash provided by financing activities	280	744
Net decrease in cash and cash equivalents	(121)	(225)
Cash and cash equivalents at beginning of period	285	389
Cash and cash equivalents at end of period	164	164
Supplementary disclosure of cash flow information:
Interest paid	2	9
Income tax paid	2
Non-cash financing and investing transactions:
Exchange of long-term unsecured convertible promissory notes for long-term unsecured convertible promissory notes		200
Exchange of long-term unsecured convertible promissory notes for long-term secured convertible promissory notes		250
Original issue discount on secured convertible promissory notes	$ 64