Restructuring and Other Charges (Details) (USD $)	3 Months Ended		12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010	Feb. 28, 2013	Nov. 30, 2012
Restructuring Charges [Abstract]
Restructuring charges	$ 0	$ 322,237	$ 48,038	$ 571,746	$ 1,812,325
Restructuring charges, cumulative total			2,432,109
Restructuring Reserve [Roll Forward]
Beginning Balance			921,424	1,046,010		99,456	135,000
Expenses			48,038	542,895
Paid			(727,641)	(667,481)
Reclassifications			0	0
Ending Balance	241,821	921,424	241,821	921,424	1,046,010	99,456	135,000
Reduction in force			24
Severance and other employee related costs			48,000
Severance and other costs			53,000
Asset impairment charges			600,000
Restructuring accrual	241,821	921,424	241,821	921,424	1,046,010	99,456	135,000
Occupancy and Equipment Related Costs [Member]
Restructuring Charges [Abstract]
Restructuring charges	0	322,237	0	445,790
Restructuring charges, cumulative total			1,618,965
Restructuring Reserve [Roll Forward]
Beginning Balance			865,849	1,037,548
Expenses			0	445,790
Paid			(678,765)	(477,986)
Reclassifications			54,737	(139,503)
Ending Balance	241,821	865,849	241,821	865,849
Restructuring accrual	241,821	865,849	241,821	865,849
Costs Incurred to Streamline Production, Personnel and Other [Member]
Restructuring Charges [Abstract]
Restructuring charges	0	0	48,038	97,105
Restructuring charges, cumulative total			612,764
Restructuring Reserve [Roll Forward]
Beginning Balance			55,575	8,462
Expenses			48,038	97,105
Paid			(48,876)	(189,495)
Reclassifications			(54,737)	139,503
Ending Balance	0	55,575	0	55,575
Restructuring accrual	0	55,575	0	55,575
Inventory [Member]
Restructuring Charges [Abstract]
Restructuring charges	0	0	0	28,851
Restructuring charges, cumulative total			$ 200,380