Equity incentive plan (Details Narrative) (Equity Incentive Plan, USD $)	12 Months Ended
	Oct. 31, 1999	Oct. 31, 2012	Sep. 10, 1998
Equity Incentive Plan
Shares authorized to be issued under plan			920,000
Increase in number of authorized shares	920,000
Shares available for issuance		466,000
Shares issued upon ratification of the plan	754,000
Fair value of options granted	$ 7.50