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Consolidated Balance Sheets (Parentheticals) - $ / shares
shares in Thousands
Mar. 31, 2023
Mar. 31, 2022
Condensed Consolidated Balance Sheet Parenthetical [Abstract]    
Common stock, par value (in dollars per share) $ 0 $ 0
Common stock, shares authorized (in shares) 75,000 75,000
Common stock, shares issued (in shares) 31,845 31,845
Common stock, shares outstanding (in shares) 31,268 31,268