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Sale of Common Stock and Warrants (Details) (Warrant [Member], USD $)
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12 Months Ended | ||
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Mar. 31, 2013
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Mar. 31, 2012
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Mar. 31, 2011
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Warrant [Member]
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| Class of Warrant or Right [Line Items] | |||
| Warrants issued (in shares) | 0 | 0 | 185,777 |
| Warrants fair value | $ 1,645 | ||
| Interest rate on warrant issued (in hundredths) | 1.62% | ||
| Term of warrants | 4 years | ||
| Warrant expense | $ 0 | $ 0 | $ 0 |
| Ownership interest (in hundredths) | 25.00% | ||
| Warrants outstanding (in shares) | 8,348 | 92,888 | |
| Weighted average exercise price of warrants (in dollars per share) | $ 30 | ||
| X | ||||||||||
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- Definition
The expense related to the warrants issued during the period. No definition available.
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| X | ||||||||||
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- Definition
The interest rate on warrants issued during the period. No definition available.
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| X | ||||||||||
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- Definition
This is the life of the warrant and any unexercised warrant after this period will expire. No definition available.
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| X | ||||||||||
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- Definition
The exercise price of each class of warrants or rights outstanding. No definition available.
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- Definition
The fair value of warrants granted during the period. No definition available.
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| X | ||||||||||
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- Definition
The number of warrants issued during the period. No definition available.
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- Details
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| X | ||||||||||
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- Definition
Aggregate amount of each class of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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