Subsequent Events - Additional Information (Detail) (USD $)	0 Months Ended		6 Months Ended	0 Months Ended
	Mar. 24, 2014	Jan. 10, 2014	Mar. 31, 2015	May 13, 2015
Subsequent Event [Line Items]
Interest accrued on revolving line of credit			5.50%
Secured Revolving Line of Credit [Member]
Subsequent Event [Line Items]
Adjusted quick ratio	1.25	1.5
Term loan maturity date			Jan. 31, 2017
Silicon Valley Bank [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Adjusted quick ratio				1.35
Advance rate on foreign receivables				75.00%
Foreign receivables accounts				$ 1,000,000
Silicon Valley Bank [Member] | Subsequent Event [Member] | For the Quarters Ending June 30, 2015 [Member]
Subsequent Event [Line Items]
Debt service coverage ratio				1.0
Silicon Valley Bank [Member] | Subsequent Event [Member] | For the Quarter Ending September 30, 2015 [Member]
Subsequent Event [Line Items]
Debt service coverage ratio				1.25
Silicon Valley Bank [Member] | Subsequent Event [Member] | For the Quarter Ending December 31, 2015 [Member]
Subsequent Event [Line Items]
Debt service coverage ratio				1.50
Silicon Valley Bank [Member] | Secured Revolving Line of Credit [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Interest accrued on revolving line of credit				1.25%
Silicon Valley Bank [Member] | Term Loan [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Interest accrued on revolving line of credit				2.75%
Silicon Valley Bank [Member] | Last Day of Fiscal Quarter [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Adjusted quick ratio				1.50
Partners for Growth II, L.P. [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Term loan amount				2,000,000
Warrant issued to purchase shares of common stock				50,000
Exercise price of warrant				$ 9.66
Exchange price of warrants				200,000
Partners for Growth II, L.P. [Member] | Tranche 1 [Member]
Subsequent Event [Line Items]
Number of monthly installments			30
Term loan payment terms			30 equal monthly principal installments, plus accrued interest, beginning December 1, 2015 and continuing until May 1, 2018
Term loan maturity date			May 01, 2018
Partners for Growth II, L.P. [Member] | Tranche 1 [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Term loan amount				1,500,000
Term loan interest rate				10.75%
Partners for Growth II, L.P. [Member] | Tranche 2 [Member]
Subsequent Event [Line Items]
Term loan maturity date			May 01, 2018
Partners for Growth II, L.P. [Member] | Tranche 2 [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Term loan amount				500,000
Exchange price of warrants				$ 150,000
First Year [Member] | Tranche 1 [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Term loan prepayment fee percentage				1.00%