Warrants (Detail)
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1 Months Ended | 9 Months Ended | 1 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|---|
Oct. 16, 2009
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Oct. 31, 2012
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Oct. 29, 2012
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Jan. 31, 2012
|
Oct. 29, 2012
Convertible Note
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Oct. 16, 2009
Convertible Note
|
Oct. 29, 2012
Placement Agents
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Oct. 16, 2009
Placement Agents
|
Oct. 29, 2012
Amendment Warrants
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|
Class of Warrant or Right [Line Items] | |||||||||
Exercise Price | 0.11485 | 0.125 | 0.11485 | 0.11485 | 0.45 | 0.11485 | 0.50000 | 0.11485 | 0.45000 |
Warrants outstanding | 1,500,000 | 2,100,000 | 500,000 | 1,250,000 | 100,000 | 250,000 | 500,000 | ||
Weighted average remaining contractual life | 3 years 9 months 26 days | 3 years 9 months 4 days | 5 years | 3 years 9 months 4 days | 3 years 9 months 4 days | ||||
Warrants Exercisable | 2,100,000 | 1,250,000 | 100,000 | 250,000 | 500,000 | ||||
Weighted average exercise price | 0.21299 | 0.11485 | 0.50000 | 0.11485 | 0.45000 |