Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Revenue, net	$ 422	$ 198
Operating expenses:
Cost of sales	648	821
Research and development	1,293	1,108
Selling, general and administrative	14,190	12,088
Amortization of intangible assets	644	644
Change in warrant valuation	(5)	18
Change in contingent consideration valuation	(3,803)	1,841
Total operating expenses	12,967	16,520
Operating loss	(12,545)	(16,322)
Other expense:
Other expense, net	(264)	(590)
Net loss	$ (12,809)	$ (16,912)
Per share information:
Net loss per share of common stock, basic and diluted	$ (3.17)	$ (9.46)
Weighted average common shares outstanding, basic and diluted	4,038,434	1,788,118