Note 18 - Income Taxes	3 Months Ended
Mar. 31, 2021
Notes to Financial Statements
Income Tax Disclosure [Text Block]	*NOTE 18.* INCOME TAXES** In the first quarter 2021, management considered new evidence, both positive and negative that could affect its view of the future realization of deferred tax assets. At March 31, 2021 we released the valuation allowance against our U.S. federal and state deferred tax assets, resulting in a non-cash benefit to income tax expense of approximately $7,171,096. In making the determination to release the valuation allowance against U.S. federal and state deferred tax assets, we considered our movement into a cumulative income position for the most recent three-year period when considering Q1 2021 income as well as tax planning strategies available to us specific to unrealized gains in our marketable equity portfolio.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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