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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Net revenue    
Total net revenue $ 5,679,000 $ 9,090,000
Cost of net revenue 3,270,000 1,748,000
Gross profit 2,409,000 7,342,000
Operating expenses    
Research and development 11,471,000 8,289,000
Selling, general and administrative 7,016,000 7,198,000
Total operating expenses 18,487,000 15,487,000
Loss from operations (16,078,000) (8,145,000)
Interest expense (2,979,000) (2,101,000)
Change in fair value of warrant liability 8,102,008 96,267
Other income (expense), net 44,000 (77,000)
Net loss (10,911,000) (10,227,000)
Deemed dividend on inducement of conversion of Class C Preferred Shares   (11,134,000)
Accretion of preferred shares presented as dividends   (1,666,000)
Effect of foreign exchange on preferred shares   7,756,000
Net loss attributable to common stockholders $ (10,911,000) $ (15,271,000)
Net loss per share attributable to common stockholders    
Basic and diluted $ (1.86) $ (3.60)
Shares used in computing net loss per share    
Basic and diluted 5,869 4,242
Product    
Net revenue    
Total net revenue $ 4,906,000 $ 1,540,000
License and Other    
Net revenue    
Total net revenue $ 773,000 $ 7,550,000