Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income (loss)	$ (3,473)	$ (5,208)
Changes in operating assets and liabilities:
Other assets	19	(15)
Accounts payable and accrued liabilities	800	301
Net cash provided (used) by operating activities	(2,654)	(4,922)
Net change in cash and cash equivalents	(2,654)	(4,922)
Cash and cash equivalents at beginning of year	3,003	7,925
Cash and cash equivalents at end of year	349	3,003
Supplemental cash flow disclosure:
Income taxes refunded (paid)	0	0
Interest expense paid on accounts payable	$ 57	$ 0