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CONDENSED STATEMENTS OF CHANGES IN REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIENCY) - USD ($)
$ in Thousands
Total
Conversion Of Preferred Stock Into Common Stock
Conversion Of Convertible Notes To Common Stock
Warrants outstanding
Common Stock
Common Stock
Conversion Of Preferred Stock Into Common Stock
Common Stock
Conversion Of Convertible Notes To Common Stock
Additional Paid in Capital
Additional Paid in Capital
Conversion Of Preferred Stock Into Common Stock
Additional Paid in Capital
Conversion Of Convertible Notes To Common Stock
Additional Paid in Capital
Warrants outstanding
Accumulated Deficit
Preferred stock Series B outstanding
Preferred Stock
Preferred stock Series C outstanding
Preferred Stock
Beginning balance (in shares) at Dec. 31, 2022 5,000,000                          
Beginning balance at Dec. 31, 2022 $ 10,000                       $ 0 $ 0
Ending balance (in shares) at Mar. 31, 2023 5,000,000                          
Ending balance at Mar. 31, 2023 $ 10,000       $ 0               $ 0 $ 0
Beginning balance (in shares) at Dec. 31, 2022         3,410,103               1,449,113 1,800,606
Beginning balance, equity at Dec. 31, 2022 (15,098)       $ 0     $ 23,555       $ (38,653)    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                            
Warrants issued to underwriters in connection with public offering 159             159            
Stock-based compensation expense 312             312            
Net loss (1,336)                     (1,336)    
Ending balance (in shares) at Mar. 31, 2023         3,410,103               1,449,113 1,800,606
Ending balance, equity at Mar. 31, 2023 $ (15,963)             24,026       (39,989)    
Beginning balance (in shares) at Dec. 31, 2022 5,000,000                          
Beginning balance at Dec. 31, 2022 $ 10,000                       $ 0 $ 0
Ending balance (in shares) at Jun. 30, 2023 0                          
Ending balance at Jun. 30, 2023 $ 0                       $ 0 $ 0
Beginning balance (in shares) at Dec. 31, 2022         3,410,103               1,449,113 1,800,606
Beginning balance, equity at Dec. 31, 2022 (15,098)       $ 0     23,555       (38,653)    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                            
Net loss (5,037)                          
Ending balance (in shares) at Jun. 30, 2023         13,099,377               0 0
Ending balance, equity at Jun. 30, 2023 $ 15,133       $ 1     60,146       (45,014)    
Beginning balance (in shares) at Mar. 31, 2023 5,000,000                          
Beginning balance at Mar. 31, 2023 $ 10,000       $ 0               $ 0 $ 0
Series A Redeemable Convertible Preferred Stock                            
Conversion of preferred stock into common stock (in shares) (5,000,000)                          
Conversion of preferred stock into common stock $ (10,000)                          
Ending balance (in shares) at Jun. 30, 2023 0                          
Ending balance at Jun. 30, 2023 $ 0                       $ 0 $ 0
Beginning balance (in shares) at Mar. 31, 2023         3,410,103               1,449,113 1,800,606
Beginning balance, equity at Mar. 31, 2023 (15,963)             24,026       (39,989)    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                            
Issuance of common stock and warrants in public offering (in shares)         3,900,000                  
Issuance of common stock and warrants in public offering $ 16,468       $ 0     16,468            
Warrants issued to underwriters in connection with public offering       $ 1,017             $ 1,017      
Issuance of preferred stock for anti-dilution clauses (in shares)                         100,189 164,518
Conversion of preferred stock into common stock and convertible notes into common stock (in shares)           4,124,851 1,399,716           (1,549,302) (1,965,124)
Conversion of preferred stock into common stock and convertible notes into common stock   $ 10,000 $ 7,000     $ 1     $ 9,999 $ 7,000        
Deemed dividend (in shares) 264,707                          
Deemed dividend $ 0             1,324       (1,324)    
Stock-based compensation expense 312             312            
Net loss (3,701)                     (3,701)    
Ending balance (in shares) at Jun. 30, 2023         13,099,377               0 0
Ending balance, equity at Jun. 30, 2023 $ 15,133       $ 1     60,146       (45,014)    
Beginning balance (in shares) at Dec. 31, 2023 0                          
Beginning balance at Dec. 31, 2023 $ 0       1               $ 0 $ 0
Ending balance (in shares) at Mar. 31, 2024 0                          
Ending balance at Mar. 31, 2024 $ 0       $ 1               $ 0 $ 0
Beginning balance (in shares) at Dec. 31, 2023         13,709,377               0 0
Beginning balance, equity at Dec. 31, 2023 13,162 [1]             63,676       (50,515)    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                            
Exercise of options and warrants (in shares)         2,500                  
Exercise of warrants 8       $ 0     8            
Stock-based compensation expense 1,155             1,155            
Net loss (4,603)             0       (4,603)    
Ending balance (in shares) at Mar. 31, 2024         13,711,877               0 0
Ending balance, equity at Mar. 31, 2024 $ 9,722             64,839       (55,118)    
Beginning balance (in shares) at Dec. 31, 2023 0                          
Beginning balance at Dec. 31, 2023 $ 0       $ 1               $ 0 $ 0
Ending balance (in shares) at Jun. 30, 2024 0                          
Ending balance at Jun. 30, 2024 $ 0       $ 1               $ 0 $ 0
Beginning balance (in shares) at Dec. 31, 2023         13,709,377               0 0
Beginning balance, equity at Dec. 31, 2023 13,162 [1]             63,676       (50,515)    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                            
Net loss (9,574)                          
Ending balance (in shares) at Jun. 30, 2024         13,712,877               0 0
Ending balance, equity at Jun. 30, 2024 $ 5,345             65,433       (60,089)    
Beginning balance (in shares) at Mar. 31, 2024 0                          
Beginning balance at Mar. 31, 2024 $ 0       $ 1               $ 0 $ 0
Ending balance (in shares) at Jun. 30, 2024 0                          
Ending balance at Jun. 30, 2024 $ 0       $ 1               $ 0 $ 0
Beginning balance (in shares) at Mar. 31, 2024         13,711,877               0 0
Beginning balance, equity at Mar. 31, 2024 9,722             64,839       (55,118)    
Increase (Decrease) in Stockholders' Equity [Roll Forward]                            
Exercise of options and warrants (in shares)         1,000                  
Exercise of warrants 3             3            
Stock-based compensation expense 591             591            
Net loss (4,971)                     (4,971)    
Ending balance (in shares) at Jun. 30, 2024         13,712,877               0 0
Ending balance, equity at Jun. 30, 2024 $ 5,345             $ 65,433       $ (60,089)    
[1] Derived from audited financial statements