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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
Sep. 30, 2022
Dec. 31, 2021
Current assets:    
Cash $ 10,561,000 $ 17,051,000
Accounts receivable 1,825,000 1,709,000
Other receivable 634,000 435,000
Inventory 6,601,000 4,900,000
Prepaid expenses and other current assets 5,587,000 4,339,000
Total current assets 25,208,000 28,434,000
Property and equipment, net 572,000 650,000
Operating lease - right-of-use asset 1,104,000 1,084,000
Intangible assets, net 22,561,000 22,651,000
Other assets 1,842,000 446,000
Total assets 51,287,000 53,265,000
Current liabilities:    
Accounts payable 6,285,000 4,929,000
Accrued liabilities 8,504,000 7,117,000
Warrant liability   1,000
Operating lease liability, current 418,000 240,000
Notes payable, current 11,737,000 3,184,000
Total current liabilities 26,944,000 15,471,000
Operating lease liability, net of current portion 738,000 919,000
Notes payable, net of discount, net of current portion (includes hybrid instrument designated at Fair Value Option amounting to $7.2 million and $7.8 million as of September 30, 2022 and December 31, 2021, respectively) 20,006,000 25,022,000
Total liabilities 47,688,000 41,412,000
Commitments and contingencies (See Note 7)
Stockholders' equity    
Additional paid-in capital 263,001,000 231,100,000
Noncontrolling interest (48,000) 242,000
Accumulated deficit (259,367,000) (219,494,000)
Total stockholders' equity 3,599,000 11,853,000
Total liabilities and stockholders' equity 51,287,000 53,265,000
Series D perpetual preferred stock    
Current liabilities:    
Series D perpetual preferred stock: $0.0001 par value; 977,300 shares authorized at September 30, 2022 and December 31, 2021; zero shares issued and outstanding at September 30, 2022 and December 31, 2021
Series B-2 Preferred Stock    
Stockholders' equity    
Preferred stock value
Series C perpetual preferred stock    
Stockholders' equity    
Preferred stock value
Common stock - voting    
Stockholders' equity    
Common stock value 13,000 5,000
Common stock - non-voting    
Stockholders' equity    
Common stock value