CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Total revenue	$ 43,865	$ 41,656
Cost of sales, product and software	31,559	31,176
Impairment of long-lived assets	1,584
Total cost of sales	33,143	31,176
Gross profit	10,722	10,480
Operating expenses:
Selling, general and administrative	54,022	51,906
Research and development	12,355	16,776
Impairment of long-lived assets	2,088
Total operating expenses	68,465	68,682
Loss from operations	(57,743)	(58,202)
Interest and financing cost, net	(3,174)	(3,228)
Employee retention credit		4,382
Loss before income tax expense	(60,917)	(57,048)
Income tax expense	(2)	(2)
Net loss and comprehensive loss	(60,919)	(57,050)
Other comprehensive income (loss) (net of tax):
Unrealized gain (loss) on short-term investments	72	(61)
Comprehensive loss	$ (60,847)	$ (57,111)
Net loss per share - basic	$ (0.65)	$ (1.27)
Net loss per share - diluted	$ (0.65)	$ (1.27)
Weighted-average shares outstanding - basic	93,988,749	44,932,952
Weighted-average shares outstanding - diluted	93,988,749	44,932,952
Product
Total revenue	$ 34,628	$ 33,280
Cost of sales, product and software	28,375	28,193
Impairment of long-lived assets	1,584
Total cost of sales	29,959	28,193
Gross profit	4,669	5,087
Operating expenses:
Selling, general and administrative	51,639	49,859
Research and development	10,207	15,002
Impairment of long-lived assets	2,088
Total operating expenses	63,934	64,861
Loss from operations	(59,265)	(59,774)
Software
Total revenue	9,237	8,376
Cost of sales, product and software	3,184	2,983
Total cost of sales	3,184	2,983
Gross profit	6,053	5,393
Operating expenses:
Selling, general and administrative	2,383	2,047
Research and development	2,148	1,774
Total operating expenses	4,531	3,821
Loss from operations	$ 1,522	$ 1,572