CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenue	$ 117		$ 117
Cost of revenue	1,013		1,013
Depreciation	1		1
Total cost of revenue	1,014		1,014
Gross loss	(897)		(897)
Operating expenses:
Stock-based compensation	4,689	10,163	16,306	34,370
Research and development	2,241	2,564	10,690	6,794
General and administrative	4,810	1,985	12,808	7,236
Advertising	104	1,494	284	5,131
Total operating expenses	11,844	16,206	40,088	53,531
Operating loss	(12,741)	(16,206)	(40,985)	(53,531)
Other income (expense):
Interest expense	(33)	(5)	(73)	(5)
Paycheck protection program forgiveness				397
Gain/(loss) on sale or disposal of property and equipment	(80)		30	(152)
Warrant expense			(984)
Gain on convertible debt and warrant liability	1,903		4,007
Other income		63	33	165
Total other income, net	1,790	58	3,013	405
Net loss	$ (10,951)	$ (16,148)	$ (37,972)	$ (53,126)
Loss per share, basic	$ (0.22)	$ (2.06)	$ (1.09)	$ (7.22)
Loss per share, diluted	$ (0.22)	$ (2.06)	$ (1.09)	$ (7.22)
Weighted average number of common shares outstanding used in computing loss per share: basic	49,101,347	7,848,640	34,875,703	7,363,248
Weighted average number of common shares outstanding used in computing loss per share: diluted	49,101,347	7,848,640	34,875,703	7,363,248