CONDENSED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue
Product and service revenue	$ 8,641	$ 6,623
Lease	1,947	1,629
Total revenue	10,588	8,252
Cost of revenue (exclusive of amortization)
Total cost of revenue	4,924	3,932
Operating expenses
Selling, general and administrative expenses	6,796	6,755
Research and development expenses	1,444	1,650
Amortization of intangible assets	274	276
Operating loss	(2,850)	(4,361)
Other income
Change in fair value of warrant liabilities	495
Other income, net	198	89
Net loss	(2,157)	(4,272)
Other comprehensive loss
Change in unrealized loss on investments	(5)
Net loss and comprehensive loss	$ (2,162)	$ (4,272)
Net loss per common share:
Basic	$ (0.19)	$ (0.4)
Diluted	$ (0.19)	$ (0.4)
Weighted-average number of common shares used in calculation of net loss per share:
Basic	11,387	10,716
Diluted	11,387	10,716
Product
Revenue
Product and service revenue	$ 7,433	$ 5,658
Cost of revenue (exclusive of amortization)
Total cost of revenue	2,590	2,299
Service
Revenue
Product and service revenue	1,208	965
Cost of revenue (exclusive of amortization)
Total cost of revenue	1,731	1,139
Lease
Revenue
Lease	1,947	1,629
Cost of revenue (exclusive of amortization)
Total cost of revenue	$ 603	$ 494