SUPPLEMENTAL DATA (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2022

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

The following is a summary of unaudited selected quarterly financial information for the three months ended 2022 (in thousands, except per share data):

	December 31,		September 30,		June 30,		March 31,
Net sales	$	2,973	$	2,960	$	3,861	$	2,958
Gross profit	$	842	$	579	$	1,080	$	802
Loss from operations	$	(13,960)	$	(14,961)	$	(17,989)	$	(15,895)
Net loss	$	(14,609)	$	(15,896)	$	(18,523)	$	(13,465)
Basic and diluted net loss per share	$	(0.14)	$	(0.18)	$	(0.24)	$	(0.20)

The following is a summary of unaudited selected quarterly financial information for the three months ended 2021 (in thousands, except per share data):

	December 31,		September 30,		June 30,		March 31,
Net sales	$	3,344	$	3,122	$	2,798	$	2,518
Gross (loss) profit	$	(3,317)	$	986	$	1,053	$	897
Loss from operations	$	(19,411)	$	(14,532)	$	(17,590)	$	(20,027)
Net loss	$	(22,803)	$	(8,986)	$	(21,674)	$	(24,239)
Basic and diluted net loss per share	$	(0.34)	$	(0.15)	$	(0.36)	$	(0.41)