XML 18 R29.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-Based Incentive Plan (Details) (USD $)
 3 Months Ended 6 Months Ended 110 Months Ended
Dec. 31, 2012
Stock Options and Incentive Warrants
Dec. 31, 2011
Stock Options and Incentive Warrants
Dec. 31, 2012
Stock Options and Incentive Warrants
Dec. 31, 2011
Stock Options and Incentive Warrants
Oct. 31, 2012
2003 Stock Plan
Stock Options
Dec. 31, 2012
2004 Stock Plan
Dec. 31, 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           800,914  
Number of Incentive Warrants issued (in shares)             1,037,500
Non-cash stock-based compensation expense $ 0 $ 59,410 $ 26,274 $ 232,139