CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Sales	$ 10,292	$ 11,224	$ 22,785	$ 19,862
Cost of sales	3,378	3,690	7,652	6,468
Gross profit	6,914	7,534	15,133	13,394
Other costs and expenses:
Research and development	1,070	1,084	2,228	2,199
Professional services	2,389	1,889	4,675	3,410
Salaries and related costs	4,892	4,343	10,073	8,588
Selling, general and administrative	4,539	4,261	10,004	7,985
Total other costs and expenses	12,890	11,577	26,980	22,182
Loss from operations	(5,976)	(4,043)	(11,847)	(8,788)
Interest income	18	4	20	7
Interest expense	(3)	(2)	(11)	(6)
Other income, net	607	97	586	4
Total other income, net	622	99	595	5
Loss before income taxes	(5,354)	(3,944)	(11,252)	(8,783)
Income tax expense	96	107	166	173
Net loss	(5,450)	(4,051)	(11,418)	(8,956)
Net loss attributable to non-controlling interest	(24)	(5)	(47)	(9)
Net loss attributable to stockholders	$ (5,426)	$ (4,046)	$ (11,371)	$ (8,947)
Loss per share:
Basic (in dollars per share)	$ (0.16)	$ (0.12)	$ (0.33)	$ (0.26)
Diluted (in dollars per share)	$ (0.16)	$ (0.12)	$ (0.33)	$ (0.26)