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Equity Incentive Plan (Tables)
12 Months Ended
Jun. 30, 2020
Share-based Payment Arrangement [Abstract]  
Significant assumptions used in valuing options/warrants issued
   

During the Year

Ended June 30, 2020

 
       
 Expected volatility     100.00-182.16 %
 Expected term (years)     1.-4.00  
 Risk-free interest rate     0.41-1.82 %
 Dividend yield     0.00 %
Stock option activity
     Number of Options      Weighted Average Exercise Price      Weighted Average Remaining Contractual Life in Years  
Outstanding June 30, 2018     1,798     $ 325.97       6.95  
   Granted     75,000       1.00          
   Exercised     -       -          
   Forfeited/Canceled     (75,036 )     1.16          
   Expired     (155 )     328.00          
Outstanding June 30, 2019     1,607       325.97       6.13  
   Granted     769,500       1.24          
   Exercised     (5,000 )     0.97          
   Forfeited/Canceled     -       -          
   Expired     (170 )     328.00          
Outstanding June 30, 2020     765,937       1.85       9.67  
Exercisable at June 30, 2020     8,937     $ 53.15       8.92  
Stock options outstanding
  Range of Exercise Prices     Number of Options Outstanding     Weighted Average Exercise Price     Weighted Average Remaining Contractual Life of Options Outstanding     Number of Options Exercisable     Weighted Average Exercise Price  
                                   
  $ 0.97       7,500     $ 0.97       9.52       7,500     $ 0.97  
  0.98       327,000     0.98       9.37       -     0.98  
  1.45       430,000     1.45       9.94       -     1.45  
  280.00       76     280.00       6.84       76     280.00  
  $ 328.00       1,361     $ 328.00       5.70       1,361     $ 328.00  
             765,937      1.85        9.67        8,937      53.15  
Restricted stock activity
     Number of Shares      Weighted Average Grant Date Fair Value      Weighted Average Remaining Contractual Life in Years  
 Unvested at June 30, 2018     37,200     $ 39.80       9.4  
 Granted     2,772,022     $ 1.30          
 Vested                    
 Forfeited     (463,008 )   $ 1.23          
 Unvested at June 30, 2019     2,346,214     $ 1.83       9.1  
 Granted     1,952,912     $ 1.06          
 Vested     (114,610 )   $ 1.79          
 Forfeited     -       -          
 Unvested at June 30, 2020     4,184,516     $ 1.47       6.4  
Stock-based compensation expense
Selling, general and administrative:   2020     2019  
Stock options   $ 80,000     $ 125,000  
Restricted stock     999,000       897,000  
 Total stock-based compensation expense   $ 1,079,000     $ 1,022,000