Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue, net	$ 217,646	$ 222,818	$ 211,565
Cost of goods sold	158,725	189,191	173,850
Gross profit	58,921	33,627	37,715
Operating expenses
Research and development	35,975	36,244	41,220
Sales and marketing	11,069	9,723	10,899
General and administrative	53,226	46,658	42,362
Total operating expenses	100,270	92,625	94,481
Loss from operations	(41,349)	(58,998)	(56,766)
Other income (expense)
Interest income	609	126	70
Interest expense	(9,428)	(6,319)	(5,620)
Other income (expense), net	(5,871)	(1,205)	8,156
Total other income (expense), net	(14,690)	(7,398)	2,606
Loss before income taxes	(56,039)	(66,396)	(54,160)
Income tax expense	(9)	(1)	(2)
Net loss	$ (56,048)	$ (66,397)	$ (54,162)
Net loss per share
Basic (in dollars per share)	$ (1.75)	$ (2.38)	$ (2.01)
Diluted (in dollars per share)	$ (1.75)	$ (2.38)	$ (2.01)
Weighted average shares used to compute net loss per share:
Basic (in shares)	31,944,259	27,846,387	26,912,141
Diluted (in shares)	31,944,259	27,846,387	26,912,141