XML 12 R28.htm IDEA: XBRL DOCUMENT
v3.20.1

Note J - Commitments and Contingencies (Tables) | 9 Months Ended
--- | ---
Jan. 31, 2020
Notes Tables |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] |
Maturity of lease liabilities |  |
2020 (remaining) |  | $ | 1,644 |
2021 |  |  | 6,053 |
2022 |  |  | 5,889 |
2023 |  |  | 5,875 |
2024 |  |  | 5,351 |
Thereafter |  | $ | 24,457 |
Total undiscounted operating lease payments |  |  | 49,269 |
Less: imputed interest |  |  | (10,022 | )
Present value of operating lease liabilities |  | $ | 39,247 |

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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