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General Information (Details)
Oct. 16, 2017
shares
Oct. 15, 2017
shares
Sep. 30, 2017
shares
Jun. 30, 2017
shares
Subsequent Event [Line Items]        
Common stock, shares authorized (in shares)     15,000,000 15,000,000
Subsequent Event        
Subsequent Event [Line Items]        
Reverse stock split ratio 0.20      
Common stock, shares authorized (in shares) 15,000,000 75,000,000