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Product Development Assets (Tables) | 12 Months Ended
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Apr. 30, 2018
Product Development Assets [Abstract] |
Product Development Assets | Product development assets consisted of the following at April 30:
|  | 2018 |  |  | 2017 |
Book Composition Costs |  | $ | 24,887 |  |  | $ | 28,884 |
Other Product Development Costs |  |  | 53,927 |  |  |  | 51,501 |
Total |  | $ | 78,814 |  |  | $ | 80,385 |

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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