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Common Stock Warrants- Common Stock Warrants (Details) - Common Stock Warrants - USD ($)
 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2022
Common Stock Warrants      
Number of Shares, Outstanding and exercisable (in shares) 8,004 9,146  
Number of Shares, Granted (in shares) 1,144 1,144  
Number of Shares, Expired (in shares) (2,286) (2,286)  
Number of Shares, Outstanding and exercisable (in shares) 6,862 8,004  
Weighted Average Exercise Price per share, Outstanding and exercisable (dollars per share) $ 4.96 $ 6.06  
Weighted Average Exercise Price per share, Granted (dollars per share) 1.76 2.17  
Weighted Average Exercise Price per share, Expired (dollars per share) 5.26 7.98  
Weighted Average Exercise Price per share, Outstanding and exercisable (dollars per share) $ 3.64 $ 4.96  
Weighted Average Remaining Contractual life Term (years), Granted 3 years 6 months    
Weighted Average Remaining Contractual life Term (years), Outstanding and exercisable 1 year 8 months 1 day    
Aggregate Intrinsic Value, Outstanding and exercisable (in dollars) $ 399 $ 238 $ 238