Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Condensed Consolidated Statements of Operations and Comprehensive Loss [Abstract]
Revenue	$ 4,076	$ 2,860
Cost of goods sold	949	867
Gross profit	3,127	1,993
Operating expenses:
Research and development	2,258	1,750
Selling, general and administrative	10,777	4,460
Total operating expenses	13,035	6,210
Loss from operations	(9,908)	(4,217)
Interest expense		(601)
Other expense, net	(57)	(3,792)
Loss before income taxes	(9,965)	(8,610)
Provision for income taxes	(26)	(17)
Net loss	(9,991)	(8,627)
Cumulative translation adjustment	(6)	(4)
Comprehensive loss	$ (9,997)	$ (8,631)
Net loss per share, basic	$ (0.49)	$ (23.92)
Net loss per share, diluted	$ (0.49)	$ (23.92)
Weighted-average common shares used to compute net loss per share, basic	20,453,341	360,675
Weighted-average common shares used to compute net loss per share, diluted	20,453,341	360,675