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Consolidated Balance Sheets (Parentheticals) - USD ($)
shares in Thousands, $ / shares in Thousands, $ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Inventory, LIFO debit $ 19,736 $ 2,115
Preferred stock, par value (in dollars per share) $ 0 $ 0
Preferred stock, shares authorized (in shares) 5,000 5,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0 $ 0
Common stock, shares authorized (in shares) 20,000 20,000
Common stock, shares issued (in shares) 11,124 11,124
Common stock, shares outstanding (in shares) 11,124 11,075
Treasury stock, shares (in shares) 0 0