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Consolidated Statements of Operations and Comprehensive Loss - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Net revenue    
Product $ 14,199 $ 4,906
Royalty and other 669 773
Total net revenue 14,868 5,679
Cost of net revenue 8,915 3,270
Gross profit 5,953 2,409
Operating expenses    
Research and development 19,768 11,471
Selling, general and administrative 11,108 7,016
Gain on license and asset sale (2,557)
Impairment of goodwill 9,946
Total operating expenses 38,265 18,487
Loss from operations (32,312) (16,078)
Interest expense (16) (2,979)
Change in fair value of warrant liability 1,595 8,102
Financing cost - warrant issuance (1,576)
Other income (expense), net (89) 44
Net loss (32,398) (10,911)
Other comprehensive loss, net of tax:    
Net unrealized loss on available-for-sale-securities (25)
Comprehensive loss $ (32,423) $ (10,911)
Net loss per share    
Basic and diluted (in Dollars per share) $ (1.61) $ (1.86)
Shares used in computing net loss per share    
Basic and diluted (in Shares) 20,100 5,869