Contractual Obligations (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2012
Contractual Obligations
2012	$ 623
2013	2,124
2014	13,160
2015	322
2016	162
Thereafter	251
Total	16,642
Operating leases [Member]
Contractual Obligations
2012	310
2013	874
2014	723
2015	322
2016	162
Thereafter	251
Total	2,642
Senior term loan [Member]
Contractual Obligations
2012	313
2013	1,250
2014	3,437
Total	5,000
Subordinated term loan [Member]
Contractual Obligations
2014	9,000
Total	9,000
Convertible subordinated notes payable [Member]
Contractual Obligations
2012
2013
2014
2015
2016
Thereafter
Total