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Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands | Jun. 30, 2016 | Jun. 30, 2015
--- | --- | ---
Allowance for doubtful accounts | $ 226 | $ 317
Preferred shares, par value (in dollars per share) | $ 0 | $ 0
Preferred shares, authorized shares (in shares) | 1,000,000 | 1,000,000
Preferred shares, issued (in shares) | 0 | 0
Common shares, par value (in dollars per share) | $ 0 | $ 0
Common shares, authorized (in shares) | 40,000,000 | 40,000,000
Common shares, outstanding (in shares) | 24,982,219 | 24,392,938

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