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Stock-Based Incentive Plan (Details) (USD $)
 3 Months Ended 110 Months Ended
Sep. 30, 2012
Stock Options and Incentive Warrants
Sep. 30, 2011
Stock Options and Incentive Warrants
Oct. 31, 2012
2003 Stock Plan
Stock Options
Oct. 31, 2012
2004 Stock Plan
Sep. 30, 2012
2004 Stock Plan
Sep. 30, 2012
Board of Directors Authorized, Outside of EMP Stock Plans
Incentive Warrants
Stock-Based Incentive Plan            
Number of shares granted under the Plan     600,000      
Number of shares of common stock authorized for issuance under plan         6,500,000  
Number of shares remaining available for grant under plan       857,884    
Number of Incentive Warrants issued (in shares)           1,037,500
Non-cash stock-based compensation expense $ 26,274 $ 172,729