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Product Development Assets | 12 Months Ended
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Apr. 30, 2019
Product Development Assets [Abstract] |
Product Development Assets | Note 9 – Product Development Assets Product development assets consisted of the following at April 30:
|  | 2019 |  |  | 2018 |
Book Composition Costs |  | $ | 19,197 |  |  | $ | 24,887 |
Software Costs |  |  | 38,048 |  |  |  | 52,078 |
Content Development Costs |  |  | 5,225 |  |  |  | 1,849 |
Total |  | $ | 62,470 |  |  | $ | 78,814 |
Product development assets include $4.3 million and $4.1 million of work-in-process as of April 30, 2019 and 2018, respectively, mainly for book composition costs. Product development assets are net of accumulated amortization of $236.5 million and $238.1 million as of April 30, 2019 and 2018, respectively.

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