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Note C - Summary of Significant Accounting Policies - Fair Value of Level 3 Instruments (Details) - Derivative Financial Instruments, Liabilities [Member] | 12 Months Ended
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Dec. 31, 2019 USD ($)
Balance at beginning of year |
Warrants issued in connection with public offering (See Note I) | 376,497
Employee options reclassified as derivative liability | 422,484
Change in value of derivative securities – exercised | 500,000
Reversal of derivative liability for exercised warrants | (655,000)
Change in fair value of derivative securities - not exercised | 820,954
Reversal of Level 3 of derivative liability to equity upon authorized share increase | (1,464,935)
Balance at end of period |

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- Definition Amount of gain (loss) from warrants exercises recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References No definition available. + Details
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- Definition Amount of gain (loss) from warrants outstanding recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References No definition available. + Details
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- Definition The amount of exercises of warrants classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
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- Definition Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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