XML 33 R21.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Inventories | 9 Months Ended
--- | ---
Jan. 31, 2019
Inventories [Abstract] |
Inventories | Note 10 — Inventories Inventories were as follows:
|  | January 31, 2019 |  |  | April 30, 2018 |
Finished goods |  | $ | 31,777 |  |  | $ | 36,503 |
Work-in-process |  |  | 2,384 |  |  |  | 2,139 |
Paper and other materials |  |  | 611 |  |  |  | 550 |
|  | $ | 34,772 |  |  | $ | 39,192 |
Inventory value of estimated sales returns |  |  | 5,046 |  |  |  | 4,626 |
LIFO reserve |  |  | (4,554 | ) |  |  | (4,329 | )
Total inventories |  | $ | 35,264 |  |  | $ | 39,489 |

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
Name: | us-gaap_InventoryDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration