FAIR VALUE (Details) - USD ($) $ in Thousands	Jul. 31, 2015	Oct. 31, 2014
Assets:
Total financial assets	$ 8,584	$ 7,196
Money Market Funds [Member]
Assets:
Total financial assets	6,505	6,099
Bank Deposits [Member]
Assets:
Total financial assets	2,079	1,097
Fair Value, Inputs, Level 1 [Member]
Assets:
Total financial assets	8,584	7,196
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Assets:
Total financial assets	6,505	6,099
Fair Value, Inputs, Level 1 [Member] | Bank Deposits [Member]
Assets:
Total financial assets	2,079	1,097
Fair Value, Inputs, Level 2 [Member]
Assets:
Total financial assets	0	0
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]
Assets:
Total financial assets	0	0
Fair Value, Inputs, Level 2 [Member] | Bank Deposits [Member]
Assets:
Total financial assets	0	0
Fair Value, Inputs, Level 3 [Member]
Assets:
Total financial assets	0	0
Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]
Assets:
Total financial assets	0	0
Fair Value, Inputs, Level 3 [Member] | Bank Deposits [Member]
Assets:
Total financial assets	$ 0	$ 0