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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents [1] $ 25,440 $ 25,798
Short-term debt securities [1] 0 73,150
Accounts receivable, net [1] 1,682 1,749
Inventories, net [1] 1,556 2,853
Prepaid expenses and other current assets [1] 9,161 13,985
Total current assets [1] 37,839 117,535
Property and equipment, net [1] 627 696
Other assets [1] 360 1,908
Total assets [1] 38,826 120,139
Current liabilities:    
Accounts payable [1] 2,115 8,975
Accrued liabilities [1] 9,966 15,655
Current portion of operating lease liabilities [1] 84 491
Current portion of long-term debt [1] 41,119 0
Total current liabilities [1] 53,284 25,121
Debt, net [1] 0 39,625
Operating lease liabilities [1] 0 83
Total liabilities [1] 53,284 64,829
Commitments and contingencies (Note 12) [1]
Stockholders’ (deficit) equity:    
Common stock, $0.001 par value, 200,000,000 shares authorized as of December 31, 2023 and 2022; 1,479,483 and 1,469,149 shares issued and outstanding as of December 31, 2023 and 2022, respectively [1] 1 1
Additional paid-in capital [1] 497,866 492,802
Accumulated other comprehensive loss [1] (169) (300)
Accumulated deficit [1] (512,156) (437,193)
Total stockholders’ (deficit) equity [1],[2] (14,458) 55,310
Total liabilities and stockholders’ (deficit) equity [1] $ 38,826 $ 120,139
[1] All periods presented have been retroactively adjusted to reflect the 1-for-30 reverse stock split effected on January 5, 2024. Refer to Note 1 for further information.
[2] All periods presented have been retroactively adjusted to reflect the 1-for-30 reverse stock split effected on January 5, 2024. Refer to Note 1 for further information