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Stockholders' Equity (Options to Purchase Common Stock) (Details) (USD $)
3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense $ 593,073 $ 665,410
Employee Options and Stock Appreciation Rights [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation expense 593,073  
Remaining shares vesting period 3 years  
Share-based compensaion expense not yet recognized $ 2,772,075