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Summary of Significant Accounting Policies - Fair Value of Financial Instruments (Details) (USD $)
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12 Months Ended |
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Apr. 30, 2014
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Goodwill | $ 1,083,000 |
| Total Increase (Reduction) in Fair Value | (438,000) |
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Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 1 | Goodwill
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Goodwill | |
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Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 2 | Goodwill
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Goodwill | |
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Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3 | Goodwill
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Goodwill | $ 1,083,000 |
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- Details
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- Definition
Fair value portion of asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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