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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Mar. 31, 2022
Jun. 30, 2021
Preferred stock, par value (in dollars per share) $ 0.002 $ 0.002
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common shares, par value (in dollars per share) $ 0.002 $ 0.002
Common shares, authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 33,681,000 32,975,000
Common stock, shares outstanding (in shares) 27,063,000 26,350,000
Treasury shares (in shares) 6,618,000 6,625,000