Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)

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Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
[1]
Held to maturity debt securities, fair value $ 250 $ 250
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000
Preferred stock, undesignated (in shares) 1,000,000 1,000,000
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 54,137,650 53,943,751
Common stock, shares outstanding (in shares) 54,137,650 53,943,751
[1] derived from audited financial statements.