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Note 4 - Commitments (Details Textual) - Office and Laboratory Lease Agreement [Member] | 12 Months Ended
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Dec. 31, 2023 USD ($) ft² | Dec. 31, 2022 USD ($)
Area of Real Estate Property | ft² | 8,400 |
Operating Lease, Expense | $ 182,106 | $ 176,797
Lessee, Operating Lease, Liability, to be Paid, Year One | 187,000 |
Lessee, Operating Lease, Liability, to be Paid, Year Two | $ 193,000 |

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- Definition Area of a real estate property. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-6 + Details
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Balance Type: | credit
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479041/842-20-45-4 + Details
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- Details
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