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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2023
Mar. 31, 2023
Shareholders' equity:    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, authorized (in shares) 5,000,000 5,000,000
Preferred stock, issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, authorized (in shares) 50,000,000 50,000,000
Common stock, issued (in shares) 19,599,145 19,494,615
Common stock, outstanding (in shares) 19,599,145 19,494,615
Series A Junior Participating Preferred Stock [Member]    
Shareholders' equity:    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, authorized (in shares) 20,000 20,000
Preferred stock, issued (in shares) 0 0