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Note L - Convertible Senior Notes - Schedule of Carrying Value of Convertible Senior Notes (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Mar. 05, 2019
--- | --- | --- | ---
Net carrying amount | $ 78,680 | $ 77,854 |
The 5% Convertible Senior Notes Due 2024 [Member] |  |  |
Principal | 80,500 |  | $ 80,500
Unamortized debt issuance costs | (1,820) |  |
Net carrying amount | $ 78,680 |  |

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- Definition Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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