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Note Q - Long-term Debt (Details Textual) - USD ($) | Nov. 01, 2021 | May 01, 2021 | Nov. 01, 2017 | Jun. 01, 2020
--- | --- | --- | --- | ---
Dividends Payable, Amount Per Share (in dollars per share) |  |  | $ 5.00 |
Senior Notes [Member] |  |  |  |
Debt Instrument, Fixed Charge Coverage Ratio |  |  | 2.0 |
Debt Instrument, Priority Secured Leverage Ratio |  |  | 0.40 |
Debt Instrument Secured Leverage Ratio |  |  | 3.75 |
Debt Instrument, Event of Default, Percentage Ownership Enabling the Declaration of Due and Payable |  |  | 25.00% |
Senior Notes [Member] | In the Event of Chang of Control Offer [Member] |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  | 101.00% |
Senior Notes [Member] | In the Event the Company Sells Certain Assets and Fails to Use the Proceeds as Required [Member] |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  | 100.00% |
Senior Notes [Member] | Senior Secured 2025 Notes [Member] |  |  |  |
Proceeds from Issuance of Long-term Debt, Total |  |  | $ 150,000,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 6.625% |
Debt Instrument, Face Amount |  |  | $ 135,000,000 |
Debt Instrument, Repurchased Face Amount |  |  |  | $ 10,000,000
Senior Notes [Member] | Senior Secured 2020 Notes [Member] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 10.00% |
Debt Instrument, Periodic Payment, Interest |  | $ 4,968,750 |  |
Senior Notes [Member] | Senior Secured 2020 Notes [Member] | Subsequent Event [Member] |  |  |  |
Debt Instrument, Periodic Payment, Interest | $ 4,968,750 |  |  |

X
- Definition Represents the percentage ownership of the debt instrument that enables the holders to declare the debt instrument due and payable by providing notice to the Company, in the event of default. + References No definition available. + Details
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- Definition Ration of consolidated cash flows to the fixed charges for the relevant period. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
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