XML 67 R43.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Stock Warrants and Options - (Details) - Stock Warrants - USD ($)
6 Months Ended 12 Months Ended
Dec. 31, 2019
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares, Outstanding and exercisable 398,156  
Number of Shares, Granted 1,144  
Number of Shares, Expired 29,288  
Number of Shares, Outstanding and exercisable 370,012 398,156
Weighted Average Exercise Price per share, Outstanding and exercisable (dollars per share) $ 18.20  
Weighted Average Exercise Price per share, Granted (dollars per share) 4.26  
Weighted Average Exercise Price per share, Expired (dollars per share) 77.61  
Weighted Average Exercise Price per share, Outstanding and exercisable (dollars per share) $ 13.45 $ 18.20
Weighted Average Remaining Contractual Term (years), Granted 4 years  
Weighted Average Remaining Contractual Term (years), Expired 0 years  
Weighted Average Remaining Contractual Term (years), Outstanding and exercisable 4 years 6 months 11 days 4 years 8 months 9 days
Aggregate Intrinsic Value, Outstanding and exercisable (in dollars) $ 0 $ 0
Aggregate Intrinsic Value, Granted (in dollars) 0  
Aggregate Intrinsic Value, Expired (in dollars) $ 0