v3.25.4
CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Dec. 31, 2023
Dec. 31, 2022
Current assets              
Cash, cash equivalents and restricted cash $ 4,271   $ 4,864 $ 3,204   $ 3,128 $ 4,061
Accounts receivable, net of allowance for credit losses of $34 and $44 3,617   3,176     5,040  
Inventory, net 2,346   3,238     3,535  
Prepaid expenses and other current assets 3,106   2,233     1,975  
Total current assets 13,340   13,511     13,678  
Property and equipment, net 35   21     21  
Other assets 83            
Total assets 13,458   13,532     13,847  
Current liabilities              
Accounts payable 3,965   5,656     4,735  
Accrued expenses and other current liabilities 5,304   5,365     9,229  
Convertible debt 6,199         5,000  
Other current debt 1,402   5,764        
Current accrued interest 14   783     1,152  
Deferred revenue, current portion 2,681   3,324     2,754  
Total current liabilities 19,565   20,892     29,887  
Convertible debt, noncurrent 3,361         5,000  
Other noncurrent debt 7,711   6,191     2,053  
Noncurrent accrued interest 2,186   819     138  
Deferred revenue, net of current portion 320   318     288  
Total liabilities 33,143   28,220     37,366  
Commitments and contingencies (Note 11)        
Stockholders' deficit:              
Common stock, $0.00001 par value; 100,000,000 shares authorized as of September 30, 2025; 26,482,448 and 22,849,378 shares issued and outstanding as of September 30, 2025 and December 31, 2024, respectively          
Additional paid-in capital 288,634   275,383     138,878  
Accumulated other comprehensive income 184   329     228  
Accumulated deficit (308,503)   (290,400)     (269,577)  
Total stockholders' deficit (19,685) $ (22,296) (14,688) $ (96,612) $ (140,003) (130,471) $ (111,600)
Total liabilities and stockholders' deficit $ 13,458   $ 13,532     $ 13,847