Debt - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended						9 Months Ended		9 Months Ended
	Nov. 30, 2010 Loan	Jun. 30, 2012	Mar. 31, 2010 Lease Agreements	Jun. 30, 2012 Lease Agreements	Jun. 30, 2012 Minimum	Jun. 30, 2012 Early termination Minimum	Jun. 30, 2012 Amended Line of Credit Facility	Jun. 30, 2012 Revolving Credit Facility	Jun. 30, 2012 Revolving Credit Facility Foreign Subsidiaries	Jun. 30, 2012 Debt Instrument Amended And Restated	Nov. 29, 2010 Debt Instrument Amended And Restated	Jun. 30, 2012 Mortgages Loan	Dec. 17, 2010 Mortgages Debt Instrument Amended And Restated	Nov. 29, 2010 Mortgages Debt Instrument Amended And Restated	Jun. 30, 2012 Mortgages Period 1	Feb. 11, 2011 Secured Debt Debt Instrument Amended And Restated	Nov. 29, 2010 Secured Debt Debt Instrument Amended And Restated
Debt Instrument [Line Items]
Notes Payable to Regions Bank		$ 6,007								$ 1,117	$ 1,341
Number of outstanding mortgages												2
Outstanding mortgages amount												4,889
Mortgage maturity															2012-11
Outstanding mortgage, interest rate fixed												4.10%
Debt, monthly principal payments amount										14		38
Number of loans amended	2
Loan with Regions, agreed principal payment amount														500			500
Loan with Regions, principal paid amount													500			500
Debt, maturity date										Nov. 01, 2012
Debt, annual interest rate on LIBOR										3.00%
Debt, minimum interest rate										4.50%
Loan covenants, fixed charge coverage ratio		1.25
Loan covenants, total liabilities to tangible net worth ratio		2.10
Revolving Line of credit agreement date		Jan. 13, 2010
Revolving Line of credit, maximum borrowing capacity		3,000
Revolving Line of credit, expiration date							Jan. 31, 2013
Revolving Line of credit, minimum interest charge for each months remaining until expiration					15	15
Revolving Line of credit, interest rate above Prime Rate								5.00%
Debt, interest rate								8.25%
Revolving Line of credit, annual facilities fee		2.00%
Revolving Line of credit, collateral monitoring fee								0.20%
Revolving Line of credit, collateral percentage of non-United states subsidiary									65.00%
Revolving Line of credit, borrowing base percentage of eligible accounts receivable		75.00%
Revolving Line of credit, minimum tangible net worth covenant requirement		9,000					8,500
Revolving Line of credit, current borrowing capacity		2,315
Revolving Line of credit, borrowing outstanding		1,263
Subleased building, contingently liable for rent payments				800
Lease expiration date				2015
Settlement date with landlord of subleased building				2010-03
Settlement agreement for cancellation of obligations under lease, agreed contribution amount			250
Settlement agreement for cancellation of obligations under lease, number monthly installments				25
Settlement agreement for cancellation of obligations under lease, installments payments amount			10
Settlement agreement for cancellation of obligations under lease, discounted liability			$ 216	$ 0