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]
Net revenue	$ 429	$ 67	$ 1,189	$ 684
Cost of revenues	159	314	593	602
Cost of revenues – amortization of acquired intangibles	22	22	66	73
Gross profit	248	(269)	530	9
Operating expenses:
Research and development	2,185	1,472	6,747	5,923
Sales and marketing	713	405	2,213	798
General and administrative	2,487	5,702	9,430	16,794
Change in fair value of contingent consideration	(435)	(6,142)	(16,947)	(17,157)
Impairment losses	1,811		6,761
Loss on disposal and held for sale assets			1,283
Total operating expenses	6,761	1,437	9,487	6,358
Loss from operations	(6,513)	(1,706)	(8,957)	(6,349)
Other income (expenses):
Interest income (expense), net	117	(14)	108	(65)
Unrealized (loss) gain on marketable equity securities	(89)	(160)	8	(485)
Other (expenses) income, net	(4)	62	(22)	304
Total other income (expenses)	24	(112)	94	(246)
Loss from continuing operations	(6,489)	(1,818)	(8,863)	(6,595)
Loss from discontinuing operations		(7,515)	(2,926)	(21,329)
Net loss	(6,489)	(9,333)	(11,789)	(27,924)
Less: dividends and accretion of Series A redeemable convertible preferred stock	(198)	(294)	(739)	(294)
Net loss attributable to common stockholders	$ (6,687)	$ (9,627)	$ (12,528)	$ (28,218)
Net loss from continuing operations per share: basic	$ (0.79)	$ (0.31)	$ (1.19)	$ (1.22)
Net loss from continuing operations per share: diluted	(0.79)	(0.31)	(1.19)	(1.22)
Net loss from discontinuing operations per share: basic		(1.27)	(0.39)	(3.94)
Net loss from discontinuing operations per share: diluted		(1.27)	(0.39)	(3.94)
Net loss attributable to common stockholders per share: basic	(0.81)	(1.62)	(1.68)	(5.22)
Net loss attributable to common stockholders per share: diluted	$ (0.81)	$ (1.62)	$ (1.68)	$ (5.22)
Weighted average shares outstanding: basic	8,256	5,931	7,446	5,408
Weighted average shares outstanding: diluted	8,256	5,931	7,446	5,408