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Segment Information (Details 3) (USD $)
In Thousands, unless otherwise specified |
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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|
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||
| Revenues | $ 40,044 | $ 69,655 | $ 147,849 |
| Operating Income (Loss) | (14,276) | 321 | 9,797 |
| Assets | 145,172 | 197,426 | 201,387 |
|
Domestic generation [Member]
|
|||
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||
| Revenues | 38,069 | 63,974 | 140,848 |
| Operating Income (Loss) | (13,410) | 798 | 9,491 |
| Assets | 143,441 | 192,137 | 192,457 |
|
International generation [Member]
|
|||
| Revenues from External Customers and Long-Lived Assets [Line Items] | |||
| Revenues | 1,975 | 5,681 | 7,001 |
| Operating Income (Loss) | (866) | (477) | 306 |
| Assets | $ 1,731 | $ 5,289 | $ 8,930 |
| X | ||||||||||
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- Definition
Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net result for the period of deducting operating expenses from operating revenues. No definition available.
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| X | ||||||||||
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- Definition
Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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