Condensed Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue:
Sales	$ 88	$ 37
Cost of sales	50	22
Gross profit	38	15
Operating expenses:
Research and development	455	296
Selling, general and administrative	1,422	2,045
Total operating expenses	1,877	2,341
Net operating loss	(1,839)	(2,326)
Other income (expense):
Interest income	2	2
Interest expense	(5)	(8)
Other income	21	15
Total other income	18	9
Net loss and comprehensive loss	(1,821)	(2,317)
Deemed dividend-warrant price protection-revaluation adjustment		414
Net loss attributable to common shareholders	$ (1,821)	$ (2,731)
Weighted average common shares outstanding - basic and fully diluted (in Shares)	8,137,038	1,611,304
Net loss per common share - basic and fully diluted (in Dollars per share)	$ (0.22)	$ (1.69)