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Note C - Finance Receivables, Net - Finance Receivable Summarized by Fiscal Year of Origination (Details) - USD ($) $ in Thousands | Apr. 30, 2021 | Apr. 30, 2020
--- | --- | ---
2021, principal balance | $ 591,346 |
2020, principal balance | 187,067 |
2019, principal balance | 28,534 |
2018, principal balance | 2,422 |
2017, principal balance | 155 |
Prior to 2017, principal balance | 13 |
Principal balance | $ 809,537 | $ 621,182
Principal balance, percentage | 100.00% | 100.00%
Customer Score 1-2 [Member] |  |
2021, principal balance | $ 32,946 |
2020, principal balance | 11,967 |
2019, principal balance | 1,229 |
2018, principal balance | 63 |
2017, principal balance | 8 |
Prior to 2017, principal balance | 0 |
Principal balance | $ 46,213 |
Principal balance, percentage | 5.70% |
Customer Score 3-4 [Member] |  |
2021, principal balance | $ 211,939 |
2020, principal balance | 66,524 |
2019, principal balance | 8,299 |
2018, principal balance | 491 |
2017, principal balance | 26 |
Prior to 2017, principal balance | 8 |
Principal balance | $ 287,287 |
Principal balance, percentage | 35.50% |
Customer Score 5-6 [Member] |  |
2021, principal balance | $ 346,461 |
2020, principal balance | 108,576 |
2019, principal balance | 19,006 |
2018, principal balance | 1,868 |
2017, principal balance | 121 |
Prior to 2017, principal balance | 5 |
Principal balance | $ 476,037 |
Principal balance, percentage | 58.80% |

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- Definition Amount excluding accrued interest of financing receivable originated in current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447 + Details
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- Definition Amount of financing receivable originated three years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447 + Details
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