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Stockholders' Equity - Stock Options and a Summary of Activity (Details) - $ / shares
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Sep. 30, 2019
Dec. 31, 2019
Stockholders' Equity Note [Abstract]        
Fair value of options issued (in dollars per share) $ 0.22     $ 0
Exercise price (in dollars per share) $ 0.30     $ 0
Expected life of options (in years) 6 years 1 month 6 days 0 years    
Risk-free interest rate 0.70% 0.00%    
Expected volatility 92.80% 0.00%    
Dividend yield 0.00% 0.00%    
Number of Options        
Outstanding at beginning of period (in shares)   777,153 777,153  
Granted (in shares)     431,250  
Canceled/forfeited (in shares)     (29,800)  
Outstanding at end of period (in shares)     1,178,603  
Vested and expected to vest at period end (in shares)     868,008  
Exercisable at period end (in shares)     113,353  
Weighted Average Exercise Price Per Share        
Outstanding at beginning of period (in dollars per share)   $ 1.04 $ 1.04  
Granted (in dollars per share)     0.30  
Canceled/forfeited (in dollars per share)     0.47  
Outstanding at end of period (in dollars per share)     0.78  
Vested and expected to vest at period end (in dollars per share)     0.93  
Exercisable at period end (in dollars per share)     $ 4.59  
Weighted Average Remaining Contractual Life (in years)        
Outstanding at end of period     8 years  
Vested and expected to vest at period end     7 years 10 months 24 days  
Exercisable at period end     5 years 9 months 18 days  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period     0  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price     $ 0