CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (2,222)	$ (2,196)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation		1
Accretion expense	71	71
Right of use asset amortization	25	25
Lease liability	(22)	(20)
Stock-based compensation	172	995
Repurchase Option		(25)
Total adjustments to reconcile net loss to net cash used in operating activities	(1,976)	(1,149)
Changes in working capital:
Due from related party	88	(241)
Prepaid expenses and other	242	(1,249)
Accounts payable and accrued liabilities	103	(842)
Net cash used in operating activities	(1,543)	(3,481)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from the sale of equipment	12
Net cash provided by investing activities	12
Net change in cash and cash equivalents	(1,531)	(3,481)
Cash and cash equivalents - beginning of the period	15,523	24,947
Cash and cash equivalents - end of the period	$ 13,992	$ 21,466