CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Total revenue	$ 33,197	$ 23,351
Cost of sales	24,861	19,466
Gross profit	8,336	3,885
Operating expenses:
Selling, general and administrative	33,913	26,695
Research and development	18,568	20,461
Change in fair value of contingent earnout	261	(473)
Total operating expenses	52,742	46,683
Loss from operations	(44,406)	(42,798)
Interest and financing cost, net	(4,214)	(3,961)
Change in fair value of warrant liabilities	71	346
Change in fair value of forward obligation	52	(250)
Loss before income tax expense	(48,497)	(46,663)
Income tax expense	(2)	(2)
Net loss and comprehensive loss	$ (48,499)	$ (46,665)
Net loss per share attributable to common stock - basic and diluted	$ (8.52)	$ (39.02)
Weighted-average shares outstanding - basic and diluted	5,694,594	1,195,944
Product
Total revenue	$ 25,811	$ 17,338
Cost of sales	21,992	17,152
Gross profit	3,819	186
Operating expenses:
Selling, general and administrative	31,781	24,794
Research and development	16,959	19,027
Change in fair value of contingent earnout	261	(473)
Total operating expenses	49,001	43,348
Loss from operations	(45,182)	(43,162)
Software
Total revenue	7,386	6,013
Cost of sales	2,869	2,314
Gross profit	4,517	3,699
Operating expenses:
Selling, general and administrative	2,132	1,901
Research and development	1,609	1,434
Total operating expenses	3,741	3,335
Loss from operations	$ 776	$ 364