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Coldstream Financing - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended
Apr. 19, 2013
Sep. 30, 2015
Sep. 30, 2014
Coldstream Financing [Line Items]      
Proceeds from issuance of private placement $ 2,000,000 $ 451,000  
Unit issued price per share. $ 0.50    
Class of warrant or right, exercise price of warrants or rights $ 0.75    
Proceeds from investors in contemplation of merger $ 2,000,000    
Common Stock, Shares Issued   107,542,205 72,076,487
Coldstream Financing      
Coldstream Financing [Line Items]      
Warrants issued to purchase of common stock 4,000,000    
Common Stock, Shares Issued 4,000,000