Note 5 - Marketable Securities

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

Note 5 – MARKETABLE SECURITIES

At December 31, 2020, available-for-sale debt securities, consisting entirely of U.S. government securities, were due within one year or less by contractual maturity.

For equity securities, in 2021 the Company recorded realized gains of $176,858 and unrealized gains of $396,773. In 2020 the Company recorded realized gains of $136,555 and unrealized gains of $296,920.