Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income (loss)	$ (717)	$ (1,057)	$ (1,264)	$ (1,635)	$ (2,757)	$ (4,133)
Changes in operating assets and liabilities:
Other assets					(11)	(55)
Accounts payable and accrued liabilities					703	306
Net cash provided (used) by operating activities					(2,065)	(3,882)
Net change in cash and cash equivalents					(2,065)	(3,882)
Cash and cash equivalents at beginning of period		$ 3,003		$ 7,925	3,003	7,925
Cash and cash equivalents at end of period	$ 938		$ 4,043		938	4,043
Supplemental cash flow disclosure:
Income taxes refunded (paid)					$ 0	$ 0