CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash	$ 1,349,000	$ 3,495,000
Restricted cash		388,000
Accounts receivable	1,505,000	1,692,000
Accounts receivable - pledged	3,150,000
Other receivable	3,000	2,000
Inventory	2,219,000	2,129,000
Operating lease - right-of-use asset		553,000
Prepaid expenses and other current assets	2,497,000	1,263,000
Total current assets	10,723,000	9,522,000
Property and equipment, net	686,000	710,000
Intangible assets, net	24,759,000	26,024,000
Other assets	66,000	154,000
Total assets	36,234,000	36,410,000
Current liabilities:
Accounts payable	5,456,000	5,352,000
Accrued liabilities	6,975,000	2,922,000
Warrant liability	126,000	3,000
Operating lease liability		337,000
Notes payable, net of discount	6,781,000	6,778,000
Total current liabilities	25,768,000	15,392,000
Notes payable long term	2,660,000	450,000
Total liabilities	28,428,000	15,842,000
Commitments and contingencies (See Note 6)
Stockholders' equity
Additional paid-in capital	160,238,000	142,046,000
Accumulated deficit	(158,130,000)	(133,090,000)
Total stockholders' equity	7,806,000	10,673,000
Total liabilities, convertible preferred stock and stockholders' equity	36,234,000	36,410,000
Series A
Current liabilities:
Temporary equity value		9,895,000
Series B convertible preferred stock
Stockholders' equity
Preferred stock value		476,000
Total stockholders' equity		476,000
Series B-2 convertible preferred stock
Stockholders' equity
Preferred stock value	916,000	1,236,000
Total stockholders' equity	916,000	1,236,000
Series C perpetual preferred stock
Stockholders' equity
Preferred stock value	4,773,000
Total stockholders' equity	4,773,000
Series D perpetual preferred stock
Current liabilities:
Series D perpetual preferred stock: $0.0001 par value; 977,300 and zero shares authorized at September 30, 2020 and December 31, 2019, respectively; 848,117 and zero shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively; (redemption amount of $6,785 and zero at September 30, 2020 and December 31, 2019, respectively; liquidation preference of $6,785 and zero at September 30, 2020 and December 31, 2019, respectively)	6,430,000
Common stock - voting
Stockholders' equity
Common stock value	5,000	1,000
Common stock - non-voting
Stockholders' equity
Common stock value	$ 4,000	$ 4,000