Fair Value Measurements (Tables)

9 Months Ended

Jul. 31, 2017

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table sets forth the Company’s financial assets and liabilities as of July 31, 2017 and October 31, 2016, which are measured on a recurring basis during the period, segregated by level within the fair value hierarchy: 

July 31, 2017	Level 1		Level 2		Level 3		Total
Assets at fair value:
Available-for-sale securities	$	22,215,000	$	–	$	–	$	22,215,000
Liabilities at fair value:
Derivative	$	–	$	420,000	$	–	$	420,000

October 31, 2016	Level 1		Level 2		Level 3		Total
Assets at fair value:
Available-for-sale securities	$	17,745,000	$	–	$	–	$	17,745,000
Liabilities at fair value:
Derivative	$	–	$	1,151,000	$	–	$	1,151,000