Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash	$ 2,717	$ 1,936
Accounts receivable trade, net	30	26
Accounts receivable-other		123
Prepaid expenses	281	257
Inventory	1,102	1,180
Deposits	28	20
Total current assets	4,158	3,542
Right to use asset-operating leases	726	699
Property and equipment, net	541	738
Total assets	5,425	4,979
Current liabilities:
Short-term debt	105	123
Accounts payable	444	265
Accrued expenses	316	1,193
Total current liabilities	865	1,581
Long-term debt, net	695	137
Operating lease liability	731	694
Total liabilities	2,291	2,412
Commitments and contingencies (See note 12)
Stockholders’ equity:
Common stock, $0.001 par value, 100,000,000 shares authorized, 3,398,832 and 1,414,671 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively	3	1
Additional paid-in capital	105,277	98,433
Accumulated deficit	(102,146)	(95,867)
Total stockholders’ equity	3,134	2,567
Total liabilities and stockholders’ equity	$ 5,425	$ 4,979