Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Condensed Consolidated Statements of Operations and Comprehensive Loss [Abstract]
Revenue	$ 5,031	$ 3,123	$ 9,107	$ 5,983
Cost of goods sold	1,201	913	2,150	1,780
Gross profit	3,830	2,210	6,957	4,203
Operating expenses:
Research and development	2,355	2,255	4,613	4,005
Selling, general and administrative	12,489	5,627	23,266	10,087
Total operating expenses	14,844	7,882	27,879	14,092
Loss from operations	(11,014)	(5,672)	(20,922)	(9,889)
Interest expense		(608)		(1,209)
Other expense, net	(34)	(11,442)	(91)	(15,234)
Loss before income taxes	(11,048)	(17,722)	(21,013)	(26,332)
Provision for income taxes	(23)	(26)	(49)	(43)
Net loss	(11,071)	(17,748)	(21,062)	(26,375)
Cumulative translation adjustment	(7)	(1)	(13)	(5)
Comprehensive loss	$ (11,078)	$ (17,749)	$ (21,075)	$ (26,380)
Net loss per share, basic	$ (0.54)	$ (48.48)	$ (1.03)	$ (72.58)
Net loss per share, diluted	$ (0.49)	$ (48.48)	$ (0.49)	$ (72.58)
Weighted-average common shares used to compute net loss per share, basic	20,505,228	366,066	20,479,427	363,397
Weighted-average common shares used to compute net loss per share, diluted	20,453,341	366,066	20,453,341	363,397