Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (20)	$ (19)
Changes in accounts:
Accounts payable and accrued expenses	(8)	(25)
Net cash used in operating activities	(28)	(44)
Net decrease in cash and cash equivalents	(28)	(44)
Cash and cash equivalents, beginning of period	145	231
Cash and cash equivalents, end of period	$ 117	$ 187