Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (339)	$ (291)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1	1
Amortization of debt discount		10
Amortization of warrants	19
Stock-based compensation	22	59
Changes in operating assets and liabilities:
Accounts receivable, net	22	41
Prepaid expenses and other assets	(1)	(13)
Accounts payable	34	(14)
Accrued compensation	14	(3)
Other accrued and long-term liabilities	104	112
Deferred revenue	37	45
Net cash used in operating activities	(87)	(53)
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 the issuance of short-term debt	150
Net cash provided by financing activities	150
Net increase in cash and cash equivalents	63	(55)
Cash and cash equivalents at beginning of period	25	335
Cash and cash equivalents at end of period	88	280
Supplementary disclosure of cash flow information
Interest paid	4	1
Income taxes paid	$ 1