Income Taxes (Details) (USD $)	3 Months Ended			12 Months Ended
	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Current benefit (expense) [Abstract]
Federal				$ 1,257,942	$ 582,274	$ 925,052
State				258,293	279,984	373,839
Deferred (benefit) expense				(12,329,008)	1,586,527	(1,571,335)
Income tax (expense) benefit - continuing operations				(10,812,773)	2,448,785	(272,444)
Intraperiod tax allocation expense - discontinued operations				(509,520)	(184,087)	(211,307)
Total income tax (expense) benefit				(11,322,293)	2,264,698	(483,751)
Deferred tax assets [Abstract]
Allowance for doubtful accounts	466,249			466,249	329,860
Net operating loss carry forward	3,187,375			3,187,375	2,191,478
Accrued vacation	297,014			297,014	316,953
Other accrued liabilities	410,822			410,822	595,519
Intangible assets	14,201,325			14,201,325	11,873,969
Gross deferred tax assets	18,562,785			18,562,785	15,307,779
Deferred tax liabilities [Abstract]
Property and equipment	(2,009,265)			(2,009,265)	(2,951,801)
Warrants	(374,693)			(374,693)	0
Gross deferred tax liability	(2,383,958)			(2,383,958)	(2,951,801)
Net deferred tax asset before valuation allowance	16,178,827			16,178,827	12,355,978
Valuation allowance [Abstract]
Beginning balance				597,711	552,783
Increase during the period				15,581,116	44,928
Ending balance	16,178,827			16,178,827	597,711	552,783
Net deferred tax asset	0			0	11,758,267
Deferred tax assets, net [Abstract]
Deferred tax asset - current	0			0	864,108
Deferred tax assets - non-current	0			0	10,894,159
Net deferred tax asset	0			0	11,758,267
Reconciliation of the statutory federal income tax rate [Abstract]
Statutory federal income tax rate (in hundredths)				34.00%	34.00%	(34.00%)
State taxes, net of federal benefit (in hundredths)				3.80%	5.40%	54.50%
Change in valuation allowance (in hundredths)				(122.40%)	(0.70%)	(15.70%)
Selling expenses (in hundredths)				(0.60%)	(1.20%)	(15.00%)
State apportionment and deferred tax adjustments (in hundredths)				0.00%	0.20%	(48.30%)
Federal and state tax net operating loss adjustments (in hundredths)				0.00%	(1.40%)	0.00%
Other (in hundredths)				0.30%	0.40%	0.50%
Effective tax rate, (expense) benefit (in hundredths)				(84.90%)	36.70%	(58.00%)
Period of cumulative loss incurred, minimum				4 years
Period of cumulative loss incurred, maximum				7 years
Lock back period in which no cumulative losses were reported, minimum				3 years
Lock back period in which no cumulative losses were reported, maximum				6 years
Effective tax rate, change in deferred tax assets, valuation allowance	400,000	400,000	15,200,000
Income taxes refunded				0	(272,000)	(1,675,000)
Income tax refund	0			0	9,293
Operating loss carryforwards, Net of valuation allowance	$ 3,200,000			$ 3,200,000	$ 0
Internal Revenue Service [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards term, forward				20 years
Operating loss carryforwards term, Carried back				2 years
State [Member] | Minimum [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards term, forward				15 years
State [Member] | Maximum [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards term, forward				20 years