Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenue:
Total revenue	$ 26,918	$ 26,771
Cost of revenue:
Total cost of revenue	12,324	11,911
Gross margin	14,594	14,860
Operating expenses:
Research and development	9,760	10,273
Sales and marketing	12,372	12,376
General and administrative	17,201	14,050
Total operating expenses	39,333	36,699
Operating loss	(24,739)	(21,839)
Other income		30
Interest income, net	694	1,096
Net loss	(24,045)	(20,713)
Cumulative dividend on convertible preferred stock	(1,308)	(1,343)
Net loss attributable to common stockholders	$ (25,353)	$ (22,056)
Net loss per share attributable to common stockholders:
Basic	$ (0.30)	$ (0.27)
Diluted	$ (0.30)	$ (0.27)
Weighted average number of common shares and equivalents:
Basic	85,183,306	80,702,358
Diluted	85,183,306	80,702,358
Systems [Member]
Revenue:
Total revenue	$ 8,632	$ 8,739
Cost of revenue:
Total cost of revenue	6,880	8,058
Disposables, service and accessories [Member]
Revenue:
Total revenue	18,286	18,032
Cost of revenue:
Total cost of revenue	$ 5,444	$ 3,853