Condensed Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue:
Sales	$ 160	$ 71	$ 248	$ 108
Cost of sales	119	43	169	65
Gross profit	41	28	79	43
Operating expenses:
Research and development	455	226	910	522
Selling, general and administrative	1,935	1,427	3,357	3,472
Total operating expenses	2,390	1,653	4,267	3,994
Net operating loss	(2,349)	(1,625)	(4,188)	(3,951)
Other income (expense):
Interest income	1		3	2
Interest expense	(3)	(7)	(8)	(15)
Payroll Protection Program loan forgiveness	650		650
Other income	1	3	22	18
Total other income	649	(4)	667	5
Net loss and comprehensive loss	(1,700)	(1,629)	(3,521)	(3,946)
Deemed dividend-warrant price protection-revaluation adjustment				414
Net loss attributable to common shareholders	$ (1,700)	$ (1,629)	$ (3,521)	$ (4,360)
Weighted average common shares outstanding - basic and fully diluted (in Shares)	12,178,754	2,760,875	10,169,061	2,186,089
Net loss per common share - basic and fully diluted (in Dollars per share)	$ (0.10)	$ (0.59)	$ (0.35)	$ (1.99)