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Cash dividend and declared dividends	6 Months Ended
Apr. 30, 2013
Disclosure - Cash Dividend and Declared Dividends - Additional Information [Abstract]
Cash dividend and declared dividends	Note 11 - Cash dividend and declared dividends The Company paid dividends of $0.07 per share during the three months ended April 30, 2013 ($544,000) and $0.10 per share during the three months ended January 31, 2013 ($700,000) for a total of $1.2 million during the six months ended April 30, 2013. The Company paid dividends of $0.05 per share during the three months ended April 30, 2012 ($343,000) and $0.05 per share during the three months ended January 31, 2012 ($352,000) for a total of $695,000 during the six months ended April 30, 2012.

Cash dividend and declared dividends

6 Months Ended

Apr. 30, 2013

Disclosure - Cash Dividend and Declared Dividends - Additional Information [Abstract]

Note 11 - Cash dividend and declared dividends

The Company paid dividends of $0.07 per share during the three months ended April 30, 2013 ($544,000) and $0.10 per share during the three months ended January 31, 2013 ($700,000) for a total of $1.2 million during the six months ended April 30, 2013. The Company paid dividends of $0.05 per share during the three months ended April 30, 2012 ($343,000) and $0.05 per share during the three months ended January 31, 2012 ($352,000) for a total of $695,000 during the six months ended April 30, 2012.