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Stock Warrants (Tables)
 3 Months Ended
Sep. 30, 2017
Stock Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
 
 
 
 
 
Weighted
 
 
 
 
 
 
 
 
 
 
 
 
Average
 
 
Weighted
 
 
 
 
 
 
 
 
 
Exercise
 
 
Average
 
 
 
 
 
 
 
 
 
Price
 
 
Remaining
 
 
Aggregate
 
 
 
Number of
 
 
per share
 
 
Contractual Term
 
 
Intrinsic Value
 
Stock Warrants
 
Shares
 
 
($)
 
 
(years)
 
 
($)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Outstanding and exercisable at June 30, 2017
 
 
6,673,860
 
 
$
4.93
 
 
 
1.36
 
 
$
-
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Granted
 
 
11,432
 
 
 
1.56
 
 
 
3.83
 
 
 
-
 
Outstanding and exercisable at September 30, 2017
 
 
6,685,292
 
 
$
4.94
 
 
 
1.11
 
 
$
-