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Unaudited Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Current assets    
Cash and cash equivalents $ 3,468 $ 5,182
Accounts receivable, net 25 117
Other receivables 499 520
Inventory, net 774 457
Prepaid expenses and other current assets 640 1,162
Total current assets 5,406 7,438
Property and equipment, net 156 178
Intangible assets, net 2 24
Operating lease right-of-use asset, net 21 52
Total assets 5,585 7,692
Current liabilities    
Accounts payable 743 531
Accrued and other current liabilities 688 1,260
Current portion of operating lease liabilities 23 45
Current portion of deferred revenue 42 43
Total current liabilities 1,496 1,879
Operating lease liabilities, net of current portion   12
Deferred revenue, net of current portion 94 128
Derivative liability 196 3,323
Total liabilities 1,786 5,342
Commitments and contingencies (Note 9)
Stockholders' equity    
Class A common stock, $0.001 par value; 150,000,000 shares authorized; 3,646,121 and 714,590 shares issued and outstanding as of September 30, 2024 and December 31, 2023, respectively 4 1
Additional paid-in capital 171,993 162,979
Accumulated deficit (167,771) (159,957)
Accumulated other comprehensive loss (427) (673)
Total stockholders' equity 3,799 2,350
Total liabilities and stockholders' equity $ 5,585 $ 7,692