Earnings per share (Tables)

3 Months Ended

Jan. 31, 2013

Earnings Per Share [Abstract]

Computation of Basic and Diluted Weighted Average Shares Outstanding

The following table summarizes the computation of basic and diluted weighted average shares outstanding:

	Three Months Ended January 31,
	2013		2012
Weighted average shares outstanding for basic earnings per share		7,074,095		7,002,929
Add effects of potentially dilutive securities-assumed exercise of stock options		930,071		717,605
Weighted average shares for diluted net earnings per share		8,004,166		7,720,534