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Condensed Statements of Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Common Stock
Class A Common Stock
ATM Offering
Common Stock
Class A Common Stock
Shelf Registration, Registered Direct Offering, March 2025
Common Stock
Class A Common Stock
Common Stock
Class B Common Stock
Additional Paid-in Capital
ATM Offering
Additional Paid-in Capital
Shelf Registration, Registered Direct Offering, March 2025
Additional Paid-in Capital
Accumulative Deficit
Class A Common Stock
ATM Offering
Class A Common Stock
Class B Common Stock
ATM Offering
Shelf Registration, Registered Direct Offering, March 2025
Total
Beginning balance at Dec. 31, 2023     $ 2       $ 134,822 $ (161,458)           $ (26,634)
Beginning balance (in shares) at Dec. 31, 2023     1,603,772 187,156                    
Increase (decrease) in stockholders' equity (deficit)                            
Stock based compensation             603             603
Reclassification of warrant liabilities             4,762             4,762
Stock options exercised             18             $ 18
Stock options exercised (in shares)     2,260                     2,260
Share conversion to common stock             34,203             $ 34,203
Share conversion to common stock (in shares)     169,271 147,359                    
Proceeds from Equity Sale / Proceeds from Direct Registration, net of issuance costs             12,089             12,089
Proceeds from Equity Sale / Proceeds from Direct Registration, net of issuance costs (in shares)     564,045                      
Share conversion costs             (2)             (2)
Net Income (Loss)               (13,863)           (13,863)
Ending balance at Jun. 30, 2024     $ 2       186,495 (175,321)           11,176
Ending balance (in shares) at Jun. 30, 2024     2,339,348 334,515                    
Beginning balance at Mar. 31, 2024     $ 2       142,410 (169,050)           (26,638)
Beginning balance (in shares) at Mar. 31, 2024     1,874,965 187,156                    
Increase (decrease) in stockholders' equity (deficit)                            
Stock based compensation             269             269
Reclassification of warrant liabilities             4,762             4,762
Stock options exercised             18             18
Stock options exercised (in shares)     2,260                      
Share conversion to common stock             34,015             34,015
Share conversion to common stock (in shares)     168,333 147,359                    
Proceeds from Equity Sale / Proceeds from Direct Registration, net of issuance costs             5,022             5,022
Proceeds from Equity Sale / Proceeds from Direct Registration, net of issuance costs (in shares)     293,790                      
Share conversion costs             (1)             (1)
Net Income (Loss)               (6,271)           (6,271)
Ending balance at Jun. 30, 2024     $ 2       186,495 (175,321)           11,176
Ending balance (in shares) at Jun. 30, 2024     2,339,348 334,515                    
Beginning balance at Dec. 31, 2024     $ 4       208,969 (193,192)           15,781
Beginning balance (in shares) at Dec. 31, 2024     4,065,347 336,759           4,065,347 336,759      
Increase (decrease) in stockholders' equity (deficit)                            
Stock based compensation             807             $ 807
Stock options exercised (in shares)                           0
Proceeds from Equity Sale / Proceeds from Direct Registration, net of issuance costs $ 1 $ 1     $ 10,273 $ 1,435           $ 10,274 $ 1,436  
Proceeds from Equity Sale / Proceeds from Direct Registration, net of issuance costs (in shares) 1,779,720 625,000             1,779,720          
Issuance of vendor warrants for consulting services             43             $ 43
Prefunded warrants exercised     $ 1       (1)              
Prefunded warrants exercised (in shares)     626,283                      
Net Income (Loss)               (13,226)           (13,226)
Ending balance at Jun. 30, 2025     $ 7       221,526 (206,418)           15,115
Ending balance (in shares) at Jun. 30, 2025     7,096,350 336,759           7,096,350 336,759      
Beginning balance at Mar. 31, 2025     $ 7       218,245 (200,089)           18,163
Beginning balance (in shares) at Mar. 31, 2025     6,564,466 336,759                    
Increase (decrease) in stockholders' equity (deficit)                            
Stock based compensation             385             385
Proceeds from Equity Sale / Proceeds from Direct Registration, net of issuance costs             2,863             2,863
Proceeds from Equity Sale / Proceeds from Direct Registration, net of issuance costs (in shares)     531,884                      
Issuance of vendor warrants for consulting services             33             33
Net Income (Loss)               (6,329)           (6,329)
Ending balance at Jun. 30, 2025     $ 7       $ 221,526 $ (206,418)           $ 15,115
Ending balance (in shares) at Jun. 30, 2025     7,096,350 336,759           7,096,350 336,759