Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash	$ 1,936	$ 4,920
Accounts receivable trade, net	26	139
Accounts receivable-other	123
Prepaid expenses	257	342
Inventory	1,180	1,261
Deposits	20	9
Total current assets	3,542	6,671
Right to use asset-operating leases	699
Property and equipment, net	738	1,083
Total assets	4,979	7,754
Current liabilities:
Short-term debt	123	219
Accounts payable	265	173
Accrued expenses	1,193	771
Total current liabilities	1,581	1,163
Long-term debt, net	137	261
Operating lease liability	694
Deferred rent		16
Total liabilities	2,412	1,440
Commitments and contingencies (See note 12)
Stockholders' equity:
Common stock, $0.001 par value, 100,000,000 shares authorized, 1,414,671 and 1,173,854 shares issued and outstanding at December 31, 2019 and December 31, 2018, respectively	1	1
Additional paid-in capital	98,433	92,151
Accumulated deficit	(95,867)	(85,838)
Total stockholders' equity	2,567	6,314
Total liabilities and stockholders' equity	$ 4,979	$ 7,754