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Related Party (Details Textual)
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1 Months Ended | 3 Months Ended | 1 Months Ended | ||||||
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Sep. 30, 2009
USD ($)
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Oct. 31, 2009
USD ($)
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Apr. 30, 2013
USD ($)
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Apr. 30, 2013
EUR (€)
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Apr. 30, 2012
Chief Executive Officer [Member]
USD ($)
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Sep. 30, 2009
Restricted Stock [Member]
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Apr. 30, 2013
Restricted Stock [Member]
USD ($)
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Apr. 30, 2013
Restricted Stock [Member]
EUR (€)
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Sep. 01, 2009
President [Member]
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| Percentage Holding By Related Party | 32.00% | ||||||||
| Related Party Transaction, Expenses from Transactions with Related Party | $ 36,600,000 | $ 44,000,000 | |||||||
| Net Periodic Cash Payment Due To Related Parties | 1,600,000 | 1,200,000 | |||||||
| Net Periodic Payment Shares Issued Due To Related Parties | 1,000,000 | 800,000 | |||||||
| Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | 304,000 | ||||||||
| Business Acquisition Unvested Restricted Shares | 102,000 | 102,000 | |||||||
| Stock Repurchased During Period, Shares (in shares) | 63,000 | ||||||||
| Stock Repurchased During Period, Value | $ 500,000 | ||||||||
| Stock Repurchase Price Per Share (in dollars per share) | $ 8.00 | ||||||||
| X | ||||||||||
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- Definition
Number of shares of unvested restricted shares. No definition available.
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| X | ||||||||||
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- Definition
Amount of the required periodic payments, due to related parties. No definition available.
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| X | ||||||||||
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- Definition
Value of shares which the company is obligate to issue, as periodic payment, due to related parties. No definition available.
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| X | ||||||||||
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- Definition
Percentage of interest held by Related party. No definition available.
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| X | ||||||||||
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- Definition
The price per share that have been repurchased during the period and have not been retired and are not held in treasury. No definition available.
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| X | ||||||||||
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- Definition
Number of shares of equity interests issued or issuable to acquire entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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