Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Unamortized debt premium	$ 5.0	$ 4.2
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	780,000,000	780,000,000
Common stock, shares issued (in shares)	116,655,893	114,655,893
Common stock, shares outstanding (in shares)	116,655,893	114,655,893

Face amount or stated value per share of common stock.

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Amount of debt premium to be amortized after one year or the normal operating cycle, if longer.

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