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Note 8 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Net operating loss carryforwards | $ 6,033,726 | $ 3,864,189
Stock option compensation | 1,641,354 | 1,571,227
Orphan Drug credits | 647,937 | 541,384
Lease liability | 0 | 38,394
Capitalized start-up costs and other | 12,403,925 | 10,709,631
Valuation allowance | (20,726,942) | (14,906,646)
Deferred tax assets | 0 | 1,818,179
Intangible assets | 0 | (2,223,678)
Right of use asset | 0 | (38,394)
Deferred tax liabilities | 0 | (2,262,072)
Net deferred tax liability | $ 0 | $ (443,893)

X
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from lease liability. + References No definition available. + Details
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