Stockholders Equity (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2023

Dec. 31, 2022

Stockholders' Deficit

Schedule of allocation of stock-based compensation expense

Stock-based compensation expense was allocated as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
Cost of goods sold	$	12	$	29	$	69	$	104
Research and development		94		90		261		284
Selling and marketing		10		40		73		120
General and administrative		323		377		1,015		1,461
Total	$	439	$	536	$	1,418	$	1,969

	Year Ended
	December 31,
	2022		2021		2020
Cost of goods sold	$	133	$	271	$	14
Research and development		372		490		651
Selling and marketing		155		148		108
General and administrative		1,833		2,429		2,045
Total	$	2,493	$	3,338	$	2,818