CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Sales	$ 13,569	$ 10,292	$ 25,711	$ 22,785
Cost of sales	4,290	3,378	8,859	7,652
Gross profit	9,279	6,914	16,852	15,133
Other costs and expenses:
Research and development	1,199	1,070	2,320	2,228
Professional services	1,594	2,389	3,334	4,675
Salaries and related costs	5,035	4,892	10,103	10,073
Selling, general and administrative	5,378	4,539	10,633	10,004
Total other costs and expenses	13,206	12,890	26,390	26,980
Gain on sale-leaseback	2,692	0	2,692	0
Loss from operations	(1,235)	(5,976)	(6,846)	(11,847)
Interest income	179	18	230	20
Interest expense	(543)	(3)	(777)	(11)
Other income, net	646	607	641	586
Total other income, net	282	622	94	595
Loss before income taxes	(953)	(5,354)	(6,752)	(11,252)
Income tax expense (benefit)	66	96	(2,201)	166
Net loss	(1,019)	(5,450)	(4,551)	(11,418)
Net loss attributable to non-controlling interest	(25)	(24)	(74)	(47)
Net loss attributable to stockholders	$ (994)	$ (5,426)	$ (4,477)	$ (11,371)
Loss per share:
Basic (in dollars per share)	$ (0.03)	$ (0.16)	$ (0.13)	$ (0.33)
Diluted (in dollars per share)	$ (0.03)	$ (0.16)	$ (0.13)	$ (0.33)