FAIR VALUE (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Assets:
Total financial assets	$ 13,385	$ 18,038
Liabilities:
Warrant liability		17
Total financial liabilities		17
Money Market Funds [Member]
Assets:
Total financial assets	7,283	16,048
Bank Deposits [Member]
Assets:
Total financial assets	6,102	1,990
Fair Value, Inputs, Level 1 [Member]
Assets:
Total financial assets	13,385	18,038
Liabilities:
Warrant liability		0
Total financial liabilities		0
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]
Assets:
Total financial assets	7,283	16,048
Fair Value, Inputs, Level 1 [Member] | Bank Deposits [Member]
Assets:
Total financial assets	6,102	1,990
Fair Value, Inputs, Level 2 [Member]
Assets:
Total financial assets	0	0
Liabilities:
Warrant liability		0
Total financial liabilities		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
Liabilities:
Warrant liability		17
Total financial liabilities		17
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