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Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
schedule of revenues by geographic area [Line Items]
Service agreement revenue									$ 16,300	$ 21,700	$ 24,000
Revenues	$ 51,451	$ 41,356	$ 28,600	$ 41,670	$ 54,409	$ 43,176	$ 38,274	$ 44,434	163,077	180,293	187,658
UNITED STATES
schedule of revenues by geographic area [Line Items]
Revenues									52,109	52,765	80,199
south korea [Domain]
schedule of revenues by geographic area [Line Items]
Revenues									109,953	124,669	101,928
UNITED KINGDOM
schedule of revenues by geographic area [Line Items]
Revenues									142	119	2,036
GERMANY
schedule of revenues by geographic area [Line Items]
Revenues									764	869	1,503
CANADA
schedule of revenues by geographic area [Line Items]
Revenues									0	820	1,912
SPAIN
schedule of revenues by geographic area [Line Items]
Revenues									$ 109	$ 1,051	$ 80

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[Line Items] for schedule of revenues by geographic area [Table]

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Fees and other service revenues recognized in the period that are not otherwise specified in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 225
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-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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