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Stock-based Compensation - Stock Options Activity (Details) (USD $)
3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Jun. 30, 2013
Number of Shares Underlying Outstanding Options      
Options outstanding, beginning 3,583,500    
Granted 1,726,000 80,000  
Forfeited or expired (343,000)    
Options outstanding, ending 4,966,500    
Options exercisable 907,750    
Weighted Average Remaining Contractual Life (Years)      
Options outstanding, beginning 3 years 8 months    
Granted 4 years 9 months    
Forfeited or expired 3 years 8 months    
Options outstanding, ending 4 years 0 months    
Options exercisable     3 years 1 month
Weighted Average Exercise Price      
Options outstanding, beginning $ 0.10    
Granted $ 0.05    
Forfeited or expired $ 0.11    
Options outstanding, ending $ 0.09    
Options exercisable     $ 0.13
Aggregate Intrinsic Value      
Options outstanding, beginning