Subsequent events (Details Narrative) (USD $)	9 Months Ended				9 Months Ended		0 Months Ended
	Jul. 31, 2014	Jul. 31, 2014 Chairman and Chief Executive Officer [Member]	Jul. 31, 2014 President, Treasurer and Chief Financial Officer [Member]	Jul. 31, 2014 Chairman of the Board [Member]	Jul. 31, 2014 Chairman of the Audit Committee [Member]	Jul. 31, 2014 Chairman of the Compensation Committee [Member]	Sep. 04, 2014 Subsequent Event [Member]	Sep. 04, 2014 Subsequent Event [Member] Chairman and Chief Executive Officer [Member]	Sep. 04, 2014 Subsequent Event [Member] President, Treasurer and Chief Financial Officer [Member]	Sep. 04, 2014 Subsequent Event [Member] Chairman of the Board [Member]	Sep. 04, 2014 Subsequent Event [Member] Chairman of the Audit Committee [Member]	Sep. 04, 2014 Subsequent Event [Member] Chairman of the Compensation Committee [Member]
Stock options granted							246,000
Exercise price of stock options granted							$ 18.45
Vesting terms of stock options							over a 5 year period at 20% per year
Yearly vesting percentage of stock options							20.00%
Stock options validity period							10 years
Stock options expiration date							Sep. 03, 2024
Interest rate on any deferred fees payable	9.00%
Variable interest rate basis on deferred fees payable							floating rate, adjusted quarterly, equal to the average interest rate on ten year treasury bonds
Spread on variable interest rate on deferred fees payable							1.50%
Annual salary		$ 205,000	$ 50,000					$ 300,000	$ 75,000
Annual trustee retainer fee, per trustee	15,000				10,000	7,500	35,000
Per meeting attendance fee payable to Trustees and Executive Secretary	800			800	800	800	1,500			1,800	1,800	1,800
Per telephonic meeting fee payable to Trustees and Executive Secretary	400						1,000
Per site inspection fee payable to Trustees and Executive Secretary	800						1,000
Shares repurchased from pension plan							100,572
Value of shares repurchased from pension plan							$ 1,855,553
Price per share repurchased							$ 18.45