Borrowing Arrangements - Additional Information (Detail) (USD $)	3 Months Ended					0 Months Ended	3 Months Ended				0 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Silicon Valley Bank [Member]	Sep. 30, 2013 Silicon Valley Bank [Member]	Dec. 31, 2013 Prior to First Amendment [Member]	Dec. 31, 2013 Prior to Second Amendment [Member]	Jun. 27, 2011 Second Amended Agreement [Member]	Dec. 31, 2013 New Term Loan [Member]	Dec. 31, 2013 Maximum [Member]	Jun. 27, 2011 Maximum [Member] Secured Revolving Line of Credit [Member]	Dec. 31, 2013 Minimum [Member]	Jun. 27, 2011 Minimum [Member] New Term Loan [Member]
Line of Credit Facility [Line Items]
Secured revolving line of credit under amended loan agreement		$ 600,000	$ 767,000						$ 3,000,000
Adjusted quick ratio as above Silicon Valley Bank's prime rate		1.00%		1.00%	1.50%
Description of adjusted quick ratio						Greater than 2.0 to 1.0
Percentage of advance rate on domestic receivables								80.00%		75.00%
Adjusted quick ratio as percentage		8.75%
Total term loan	2,000,000
Total term debt	2,400,000
Interest will accrue on the revolving line of credit							3.75%
Interest will accrue on the revolving line of credit, option one							3.25%
Amortization period of term loan							36 months
Debt service coverage ratio											1.25
Adjusted quick ratio	2.00					2.00					1.75
Revolving loan maturity date	Oct. 01, 2013
Revolving loan maturity date	Oct. 01, 2015
Interest rate on revolving line of credit for three quarters	0.75%
Interest Rate on unused revolving loan facility	0.175%
Restriction to repurchase of common stock	1,000,000
Effective interest rate on Silicon Valley Bank term loan		6.50%
Credit facility for advances		$ 2,400