CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Sales	$ 11,976	$ 9,114	$ 37,687	$ 31,899
Cost of sales	3,998	3,357	12,857	11,009
Gross profit	7,978	5,757	24,830	20,890
Other costs and expenses:
Research and development	1,276	1,061	3,596	3,289
Professional services	1,831	1,936	5,165	6,611
Salaries and related costs	4,667	3,871	14,770	13,944
Selling, general and administrative	4,841	4,671	15,474	14,675
Total other costs and expenses	12,615	11,539	39,005	38,519
Gain on sale-leaseback	0	0	2,692	0
Loss from operations	(4,637)	(5,782)	(11,483)	(17,629)
Interest income	248	73	478	93
Interest expense	(585)	(1)	(1,362)	(12)
Other (expense) income, net	(19)	(35)	622	551
Total other (expense) income, net	(356)	37	(262)	632
Loss before income taxes	(4,993)	(5,745)	(11,745)	(16,997)
Income tax (benefit) expense	(318)	50	(2,519)	216
Net loss	(4,675)	(5,795)	(9,226)	(17,213)
Net loss attributable to non-controlling interest	(46)	(31)	(120)	(78)
Net loss attributable to stockholders	$ (4,629)	$ (5,764)	$ (9,106)	$ (17,135)
Loss per share:
Basic (in dollars per share)	$ (0.13)	$ (0.17)	$ (0.26)	$ (0.50)
Diluted (in dollars per share)	$ (0.13)	$ (0.17)	$ (0.26)	$ (0.50)