CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Total revenue	$ 11,043	$ 10,547	$ 21,767	$ 19,580
Cost of sales	9,945	7,994	17,323	14,748
Gross profit	1,098	2,553	4,444	4,832
Operating expenses:
Selling, general and administrative	14,751	12,822	29,417	24,807
Research and development	3,298	4,018	6,792	8,868
Total operating expenses	18,049	16,840	36,209	33,675
Loss from operations	(16,951)	(14,287)	(31,765)	(28,843)
Interest and financing costs, net	(739)	(850)	(1,296)	(1,816)
Loss before income tax expense	(17,690)	(15,137)	(33,061)	(30,659)
Net loss	(17,690)	(15,137)	(33,061)	(30,659)
Other comprehensive income (loss) (net of tax):
Unrealized (loss) gain on short-term investments	(25)	(42)	31	(42)
Comprehensive loss	$ (17,715)	$ (15,179)	$ (33,030)	$ (30,701)
Net loss per share - basic	$ (0.19)	$ (0.57)	$ (0.35)	$ (1.16)
Net loss per share - diluted	$ (0.19)	$ (0.57)	$ (0.35)	$ (1.16)
Weighted-average shares outstanding - basic	93,684,289	26,468,515	93,538,676	26,437,058
Weighted-average shares outstanding - diluted	93,684,289	26,468,515	93,538,676	26,437,058
Product
Total revenue	$ 8,763	$ 8,442	$ 17,441	$ 15,645
Cost of sales	9,248	7,385	15,948	13,463
Gross profit	(485)	1,057	1,493	2,182
Operating expenses:
Selling, general and administrative	14,109	12,243	28,223	23,770
Research and development	2,764	3,552	5,691	7,983
Total operating expenses	16,873	15,795	33,914	31,753
Loss from operations	(17,358)	(14,738)	(32,421)	(29,571)
Software
Total revenue	2,280	2,105	4,326	3,935
Cost of sales	697	609	1,375	1,285
Gross profit	1,583	1,496	2,951	2,650
Operating expenses:
Selling, general and administrative	642	579	1,194	1,037
Research and development	534	466	1,101	885
Total operating expenses	1,176	1,045	2,295	1,922
Loss from operations	$ 407	$ 451	$ 656	$ 728