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Inventories | 9 Months Ended
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Jan. 31, 2020
Inventories [Abstract] |
Inventories | Note 11 — Inventories Inventories, net were as follows:
|  | January 31, 2020 |  |  | April 30, 2019 |
Finished Goods |  | $ | 35,766 |  |  | $ | 33,736 |
Work-in-Process |  |  | 1,291 |  |  |  | 2,094 |
Paper and Other Materials |  |  | 324 |  |  |  | 373 |
Total Inventories Before Estimated Sales Returns and LIFO Reserve |  | $ | 37,381 |  |  | $ | 36,203 |
Inventory Value of Estimated Sales Returns |  |  | 9,929 |  |  |  | 3,739 |
LIFO Reserve |  |  | (4,171 | ) |  |  | (4,360 | )
Total Inventories |  | $ | 43,139 |  |  | $ | 35,582 |

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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