Activity in The Acquired Accruals for Restructuring Charges Established for Lease Termination and Other Exit Costs (Detail) (USD $)	2 Months Ended
	Sep. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Beginning Balance	$ 475,570
Cash payments	(182,415)
Ending Balance	293,155
Lease Termination Costs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Beginning Balance	335,028
Cash payments	(41,873)
Ending Balance	293,155
Other Exit Costs
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Beginning Balance	140,542
Cash payments	$ (140,542)