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Fair Value Measurements (Details) (Recurring, USD $)
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Jun. 30, 2012
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Mar. 31, 2012
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Total
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| Fair Value Measurements | ||
| Cash Equivalents | $ 35,736,000 | $ 39,790,000 |
| Warrant liability | (642,000) | (791,000) |
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Quoted Prices in Active Markets for Identical Assets (Level 1)
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| Fair Value Measurements | ||
| Cash Equivalents | 35,736,000 | 39,790,000 |
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Significant Unobservable Inputs (Level 3)
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| Fair Value Measurements | ||
| Warrant liability | $ (642,000) | $ (791,000) |
| X | ||||||||||
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- Definition
Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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