COMMITMENTS AND CONTINGENCIES (Details Textual) - USD ($) |
3 Months Ended | |
|---|---|---|
Jan. 31, 2017 |
Jan. 31, 2016 |
|
| Commitments And Contingencies [Line Items] | ||
| Loss Contingency, Damages Sought, Value | $ 200,000,000 | |
| Dot Hill [Member] | ||
| Commitments And Contingencies [Line Items] | ||
| Deferred Revenue, Revenue Recognized | 182,000 | |
| Cost of Revenue | 38,000 | |
| Dot Hill [Member] | Cost of Sales [Member] | ||
| Commitments And Contingencies [Line Items] | ||
| Litigation Settlement, Amount | 34,000 | $ 34,000 |
| Dot Hill [Member] | Sales Revenue, Net [Member] | ||
| Commitments And Contingencies [Line Items] | ||
| Litigation Settlement, Amount | 134,000 | $ 134,000 |
| Dot Hill Systems Corp [Member] | ||
| Commitments And Contingencies [Line Items] | ||
| Due from Related Parties, Current | $ 1,300,000 | |