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)		106
Shares issued on stock options exercises for cash	365	$ 1	364
Stock based compensation	5,056		5,056
Shares issued on net settlement of stock options (in shares)		72
Net loss	(17,213)			(17,135)	(78)
Ending balance (in shares) at Sep. 30, 2022		34,588
Ending balance at Sep. 30, 2022	42,217	$ 35	71,641	(29,686)	227
Beginning balance (in shares) at Jun. 30, 2022		34,493
Beginning balance at Jun. 30, 2022	46,163	$ 34	69,793	(23,922)	258
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued on stock options exercises for cash (in shares)		62
Shares issued on stock options exercises for cash	157	$ 1	156
Stock based compensation	1,692		1,692
Shares issued on net settlement of stock options (in shares)		33
Net loss	(5,795)			(5,764)	(31)
Ending balance (in shares) at Sep. 30, 2022		34,588
Ending balance at Sep. 30, 2022	42,217	$ 35	71,641	(29,686)	227
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]
Contributions from non-controlling interest	147				147
Shares issued on stock options exercises for cash (in shares)		35
Shares issued on stock options exercises for cash	86		86
Stock based compensation	4,200		4,200
Shares issued on net settlement of stock options (in shares)		11
Proceeds received from issuance of warrants	586		586
Net loss	(9,226)			(9,106)	(120)
Ending balance (in shares) at Sep. 30, 2023		34,644
Ending balance at Sep. 30, 2023	33,586	$ 35	78,154	(44,841)	238
Beginning balance (in shares) at Jun. 30, 2023		34,629
Beginning balance at Jun. 30, 2023	36,733	$ 35	76,773	(40,212)	137
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contributions from non-controlling interest	147				147
Shares issued on stock options exercises for cash (in shares)		10
Shares issued on stock options exercises for cash	30		30
Stock based compensation	1,351		1,351
Shares issued on net settlement of stock options (in shares)		5
Net loss	(4,675)			(4,629)	(46)
Ending balance (in shares) at Sep. 30, 2023		34,644
Ending balance at Sep. 30, 2023	$ 33,586	$ 35	$ 78,154	$ (44,841)	$ 238