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Summary of Significant Accounting Policies - Advertising (Details Narrative) (USD $)
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3 Months Ended | 9 Months Ended | ||
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Jan. 31, 2013
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Jan. 31, 2012
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Jan. 31, 2013
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Jan. 31, 2012
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| Summary Of Significant Accounting Policies - Advertising Details Narrative | ||||
| Advertising expense | $ 10,000 | $ 51,000 | $ 77,000 | $ 192,000 |
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- Details
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- Definition
Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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