Quarterly report pursuant to Section 13 or 15(d)

Fair Value Per Share and Aggregate (Detail)

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Fair Value Per Share and Aggregate (Detail) (USD $)
Mar. 31, 2014
Jun. 30, 2013
Mar. 31, 2013
Jun. 30, 2012
Accounting Policies [Line Items]        
Issued Warrants 20,898,347 2,907,347 2,907,347 2,400,328
Estimated Total Fair Value in Aggregate $ 808,000 $ 143,000    
June 2012 Warrants [Member]
       
Accounting Policies [Line Items]        
Issued Warrants 562,551      
Estimated Fair Value Per Share $ 0.28      
Estimated Total Fair Value in Aggregate 156,000 27,000    
July 2012 Warrants [Member]
       
Accounting Policies [Line Items]        
Issued Warrants 338,013      
Estimated Fair Value Per Share $ 0.28      
Estimated Total Fair Value in Aggregate 94,000 17,000    
August 2012 Warrants [Member]
       
Accounting Policies [Line Items]        
Issued Warrants 120,719      
Estimated Fair Value Per Share $ 0.28      
Estimated Total Fair Value in Aggregate 34,000 6,000    
October 2012 Warrants [Member]
       
Accounting Policies [Line Items]        
Issued Warrants 48,287      
Estimated Fair Value Per Share $ 0.28      
Estimated Total Fair Value in Aggregate 14,000 3,000    
Advisory Agreement Warrants [Member]
       
Accounting Policies [Line Items]        
Issued Warrants 1,837,777      
Estimated Fair Value Per Share $ 0.28      
Estimated Total Fair Value in Aggregate $ 510,000 $ 90,000