SUPPLEMENTAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 2,973	$ 2,960	$ 3,861	$ 2,958	$ 3,344	$ 3,122	$ 2,798	$ 2,518	$ 12,752	$ 11,782	$ 11,165
Gross (loss) profit	842	579	1,080	802	(3,317)	986	1,053	897	3,303	(381)	4,459
Loss from operations	(13,960)	(14,961)	(17,989)	(15,895)	(19,411)	(14,532)	(17,590)	(20,027)	(62,805)	(71,560)	(63,700)
Net loss	$ (14,609)	$ (15,896)	$ (18,523)	$ (13,465)	$ (22,803)	$ (8,986)	$ (21,674)	$ (24,239)	$ (62,493)	$ (77,702)	$ (78,208)
Basic net loss per share (in dollars per share)	$ (0.14)	$ (0.18)	$ (0.24)	$ (0.20)	$ (0.34)	$ (0.15)	$ (0.36)	$ (0.41)	$ (0.76)	$ (1.26)	$ (1.40)
Diluted net loss per share ( in dollars per share)	$ (0.14)	$ (0.18)	$ (0.24)	$ (0.20)	$ (0.34)	$ (0.15)	$ (0.36)	$ (0.41)	$ (0.76)	$ (1.26)	$ (1.40)