FAIR VALUE (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2015	Oct. 31, 2014
Assets:
Total financial assets	$ 9,084	$ 7,196
Money Market Funds [Member]
Assets:
Total financial assets	7,606	6,099
Bank Deposits [Member]
Assets:
Total financial assets	1,478	1,097
Fair Value, Inputs, Level 1 [Member]
Assets:
Total financial assets	9,084	7,196
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Assets:
Total financial assets	7,606	6,099
Fair Value, Inputs, Level 1 [Member] | Bank Deposits [Member]
Assets:
Total financial assets	1,478	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