Shareholders' Equity (Details 3) - $ / shares	3 Months Ended
May 31, 2015	Feb. 28, 2015
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Stock warrants outstanding	37,195,406
Stock Warrants Exercisable	37,195,406
0.10-$0.75 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Stock warrants outstanding	18,381,012	18,381,012
Stock Warrants Exercisable	18,381,012
Weighted-Average Remaining Contractual Life	71 months
Weighted-Average Exercise Price of Warrants Outstanding	$ 0.55
Weighted-Average Exercise Price of Warrants Exercisable	0.55
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	1,082,734	1,082,734
Stock Warrants Exercisable	1,082,734
Weighted-Average Remaining Contractual Life	69 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	1,000,000	1,000,000
Stock Warrants Exercisable	1,000,000
Weighted-Average Remaining Contractual Life	59 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	5,990,275	5,990,275
Stock Warrants Exercisable	5,990,275
Weighted-Average Remaining Contractual Life	54 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	795,000	795,000
Stock Warrants Exercisable	795,000
Weighted-Average Remaining Contractual Life	16 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	8,272,187	8,272,187
Stock Warrants Exercisable	8,272,187
Weighted-Average Remaining Contractual Life	14 months
Weighted-Average Exercise Price of Warrants Outstanding	$ 1.00
Weighted-Average Exercise Price of Warrants Exercisable	1.00
Intrinsic Value	0.00
1.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices	$ 1.50
Stock warrants outstanding	105,000	105,000
Stock Warrants Exercisable	105,000
Weighted-Average Remaining Contractual Life	10 months
Weighted-Average Exercise Price of Warrants Outstanding	$ 1.50
Weighted-Average Exercise Price of Warrants Exercisable	1.50
Intrinsic Value	$ 0.00
0.75-1.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Stock warrants outstanding	709,198	709,198
Stock Warrants Exercisable	709,198
Weighted-Average Remaining Contractual Life	7 months
Weighted-Average Exercise Price of Warrants Outstanding	$ 1.25
Weighted-Average Exercise Price of Warrants Exercisable	1.25
Intrinsic Value	0.00
0.75-1.50 [Member] \| Maximum [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices	1.50
0.75-1.50 [Member] \| Minimum [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices	0.75
1.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices	$ 1.50
Stock warrants outstanding	156,000	156,000
Stock Warrants Exercisable	156,000
Weighted-Average Remaining Contractual Life	3 months
Weighted-Average Exercise Price of Warrants Outstanding	$ 1.50
Weighted-Average Exercise Price of Warrants Exercisable	1.50
Intrinsic Value	0.00
1.50 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices	$ 1.50
Stock warrants outstanding	704,000	704,000
Stock Warrants Exercisable	704,000
Weighted-Average Remaining Contractual Life	2 months
Weighted-Average Exercise Price of Warrants Outstanding	$ 1.50
Weighted-Average Exercise Price of Warrants Exercisable	1.50
Intrinsic Value	$ 0.00

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- Definition

share-based compensation shares authorized under warrants exercisable weighted average exercise price.

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- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Per share weighted average intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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