Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2020	Dec. 31, 2019
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	100,000	100,000
Preferred stock, shares issued (in shares)	7,531	0
Preferred stock, shares outstanding (in shares)	7,531	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	70,000,000	70,000,000
Common stock, shares issued (in shares)	36,902,361	28,480,567
Common stock, shares outstanding (in shares)	36,902,361	28,480,567

Face amount or stated value per share of common stock.

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