Long-Term Debt (Details) (USD $)	3 Months Ended		9 Months Ended
	Jan. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011	Aug. 15, 2012	Oct. 31, 2011
Debt Instrument [Line Items]
Long-term Debt			$ 41,339,082			$ 48,785,504
Less current portion revolving line of credit			8,325,496			9,725,496
Less long-term notes payable to related party			2,000,000			0
Less current portion long-term debt			30,893,062			38,629,011
Long-term debt, net of current portion and revolving line of credit			120,524			430,997
Continuing operations [Abstract]
Long-term debt, net of current portion and revolving line of credit			120,524			430,997
Current portion of long-term debt and revolving line of credit			36,443,234			42,479,183
Long-term notes payable to related party			2,000,000			0
Total debt from continuing operations			38,563,758			42,910,180
Liabilities held for sale/discontinued operations - debt			2,775,324			5,875,324
Total indebtedness			41,339,082			48,785,504
Line of Credit Facility [Line Items]
Extension fee related to letters of credit and unused revolving credit (in hundredths)			0.10%
Term debt paydown remaining provision of contribution agreements			500,000
Minimum EBITDA			400,000
Line of credit facility, maximum borrowing capacity			13,600,000
Reserve against the Credit Agreement borrowing base			1,450,000		1,450,000
Minimum excess availability			2,800,000
Cash collateral held by the Administrative Agent			2,000,000
Cash collateral held by the Administrative Agent to be applied to outstanding term loans			2,500,000
Cash collateral released by issuing subordinated unsecured promissory note			2,000,000
Minimum compensating balance			750,000
Percentage of excess cash flow by which credit facility is required to be prepaid (in hundredths)			75.00%
Purchases restated as cash activities which were previously reported as non-cash activities	37,000	153,000	37,000	504,000
Installment notes payable to banks [Member]
Debt Instrument [Line Items]
Long-term Debt			639,362			1,175,784
Continuing operations [Abstract]
Total indebtedness			639,362			1,175,784
Notes payable to related party [Member]
Debt Instrument [Line Items]
Long-term Debt			2,000,000			0
Continuing operations [Abstract]
Total indebtedness			2,000,000			0
Term loan facility with a syndicate of banks, collateralized by substantially all of the assets of the Company [Member]
Debt Instrument [Line Items]
Long-term Debt			30,374,224			37,884,224
Continuing operations [Abstract]
Total indebtedness			30,374,224			37,884,224
Revolving line of credit loan facility with a syndicate of banks, collateralized by substantially all of the assets of the Company [Member]
Debt Instrument [Line Items]
Long-term Debt			8,325,496			9,725,496
Continuing operations [Abstract]
Total indebtedness			$ 8,325,496			$ 9,725,496