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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
$ / shares in Thousands
Sep. 30, 2020
Dec. 31, 2019
Preferred stock, par value (in dollars per share) $ 0 $ 0
Preferred stock, authorized (in shares) 250,000,000 250,000,000
Preferred stock, shares issued (in shares) 0 0
Common stock, no par value (in dollars per share) $ 0 $ 0
Common stock, shares authorized (in shares) 500,000,000 500,000,000
Common stock, shares issued (in shares) 86,522,569 86,522,569
Common stock, shares outstanding (in shares) 86,522,569 86,522,569