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Shareholders' Equity (Details 3)
3 Months Ended
May 31, 2016
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Stock Warrants Outstanding | shares 35,069,020
Stock Warrants Exercisable | shares 35,069,020
$0.10-$0.75 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Stock Warrants Outstanding | shares 19,481,012
Stock Warrants Exercisable | shares 19,481,012
Weighted-Average Remaining Contractual Life 58 months
Weighted-Average Exercise Price of Warrants Outstanding $ 0.56
Weighted-Average Exercise Price of Warrants Exercisable 0.56
Intrinsic Value 0.00
$0.10-$0.75 [Member] | Maximum [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices 0.75
$0.10-$0.75 [Member] | Minimum [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices 0.10
$0.75 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices $ 0.75
Stock Warrants Outstanding | shares 1,082,734
Stock Warrants Exercisable | shares 1,082,734
Weighted-Average Remaining Contractual Life 57 months
Weighted-Average Exercise Price of Warrants Outstanding $ 0.75
Weighted-Average Exercise Price of Warrants Exercisable 0.75
Intrinsic Value 0.00
$0.75 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices $ 0.75
Stock Warrants Outstanding | shares 1,000,000
Stock Warrants Exercisable | shares 1,000,000
Weighted-Average Remaining Contractual Life 47 months
Weighted-Average Exercise Price of Warrants Outstanding $ 0.75
Weighted-Average Exercise Price of Warrants Exercisable 0.75
Intrinsic Value $ 0.00
$0.75-$1.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Stock Warrants Outstanding | shares 5,990,275
Stock Warrants Exercisable | shares 5,990,275
Weighted-Average Remaining Contractual Life 42 months
Weighted-Average Exercise Price of Warrants Outstanding $ 0.77
Weighted-Average Exercise Price of Warrants Exercisable 0.77
Intrinsic Value 0.00
$0.75-$1.00 [Member] | Maximum [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices 1.00
$0.75-$1.00 [Member] | Minimum [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices $ 0.75
$1.00-$1.25 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Stock Warrants Outstanding | shares 795,000
Stock Warrants Exercisable | shares 795,000
Weighted-Average Remaining Contractual Life 4 months
Weighted-Average Exercise Price of Warrants Outstanding $ 1.05
Weighted-Average Exercise Price of Warrants Exercisable 1.05
Intrinsic Value 0.00
$1.00-$1.25 [Member] | Maximum [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices 1.25
$1.00-$1.25 [Member] | Minimum [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices 1.00
$1.00 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices $ 1.00
Stock Warrants Outstanding | shares 6,719,999
Stock Warrants Exercisable | shares 6,719,999
Weighted-Average Remaining Contractual Life 3 months
Weighted-Average Exercise Price of Warrants Outstanding $ 1.00
Weighted-Average Exercise Price of Warrants Exercisable 1.00
Intrinsic Value $ 0.00