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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Sep. 30, 2022
Jun. 30, 2022
CONDENSED CONSOLIDATED BALANCE SHEETS    
Allowance for doubtful $ 216,000 $ 243,000
Common stock, par (per share) $ 0.01 $ 0.01
Common stock, authorized (in shares) 100,000,000 100,000,000
Common stock, issued (in shares) 39,636,677 39,628,197
Common stock, outstanding (in shares) 36,742,962 36,734,482
Treasury stock, shares 2,893,715 2,893,715