CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Non-controlling Interest
Beginning balance (in shares) at Dec. 31, 2021		34,410
Beginning balance at Dec. 31, 2021	$ 54,009	$ 34	$ 66,221	$ (12,551)	$ 305
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued on stock options exercises for cash (in shares)		44
Shares issued on stock options exercises for cash	208		208
Stock based compensation	3,364		3,364
Shares issued on net settlement of stock options (in shares)		39
Net loss	(11,418)			(11,371)	(47)
Ending balance (in shares) at Jun. 30, 2022		34,493
Ending balance at Jun. 30, 2022	46,163	$ 34	69,793	(23,922)	258
Beginning balance (in shares) at Mar. 31, 2022		34,453
Beginning balance at Mar. 31, 2022	49,843	$ 34	68,023	(18,496)	282
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued on stock options exercises for cash (in shares)		20
Shares issued on stock options exercises for cash	56		56
Stock based compensation	1,714		1,714
Shares issued on net settlement of stock options (in shares)		20
Net loss	(5,450)			(5,426)	(24)
Ending balance (in shares) at Jun. 30, 2022		34,493
Ending balance at Jun. 30, 2022	46,163	$ 34	69,793	(23,922)	258
Beginning balance (in shares) at Dec. 31, 2022		34,598
Beginning balance at Dec. 31, 2022	37,793	$ 35	73,282	(35,735)	211
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued on stock options exercises for cash (in shares)		25
Shares issued on stock options exercises for cash	56		56
Stock based compensation	2,849		2,849
Shares issued on net settlement of stock options (in shares)		6
Proceeds received from issuance of warrants	586		586
Net loss	(4,551)			(4,477)	(74)
Ending balance (in shares) at Jun. 30, 2023		34,629
Ending balance at Jun. 30, 2023	36,733	$ 35	76,773	(40,212)	137
Beginning balance (in shares) at Mar. 31, 2023		34,598
Beginning balance at Mar. 31, 2023	36,214	$ 35	75,235	(39,218)	162
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued on stock options exercises for cash (in shares)		25
Shares issued on stock options exercises for cash	56		56
Stock based compensation	1,482		1,482
Shares issued on net settlement of stock options (in shares)		6
Net loss	(1,019)			(994)	(25)
Ending balance (in shares) at Jun. 30, 2023		34,629
Ending balance at Jun. 30, 2023	$ 36,733	$ 35	$ 76,773	$ (40,212)	$ 137