CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenues	$ 89	$ 104
Cost of revenues	53	51
Gross profit	36	53
Operating expenses:
General and administrative, including stock based compensation of $232 thousand and $2,508 thousand for the three months ended March 31, 2023 and 2022, respectively	2,073	2,779
Research and development,including stock based compensation of $628 thousand and $0 for the three months ended March 31, 2023 and 2022, respectively	1,525	2,053
Excess fair value of equity issuance over assets received	0	832
Total operating expenses	3,598	5,664
Loss from operations	(3,562)	(5,611)
Other income (expenses)
Interest expense	(46)	(55)
Change in fair value of derivative liability	27	136
Other income (expenses)	430	75
Total other income (expenses)	411	156
Loss before provision for income taxes	(3,151)	(5,455)
Provision for income taxes	0	0
Net loss	(3,151)	(5,455)
Deemed dividend related to warrant resets	(763)	0
Net loss attributable to common stockholders	$ (3,914)	$ (5,455)