Line of Credit	9 Months Ended
Sep. 30, 2015
Line of Credit [Abstract]
Line of Credit	(7) Line of Credit In September 2013, the Company entered into an Amended and Restated Credit Agreement (the “Restated Loan Agreement”) with Silicon Valley Bank (“SVB”) and other lenders. The Restated Loan Agreement added additional lenders, increased the available borrowing amount to $150.0 million through September 2016 and changed certain of the financial provisions. The Company is required to repay the outstanding principal balance under the line of credit in full at least once every eight business days. Under the Restated Loan Agreement, the Company pays a fee of 0.50% per annum for the daily unused portions of the line of credit. The interest rate at September 30, 2015 and December 31, 2014 was 4.25%. In 2013, the Company paid SVB a one-time commitment fee of $430,000 and a one-time arrangement fee of 0.30% of the amount available under the line of credit. These expenses are being amortized over the period of the Restated Loan Agreement. In addition, the Company pays an annual administration fee of $45,000. SVB issued a standby letter of credit for $15.0 million in May 2013 which satisfied an additional collateral requirement to maintain the Company’s India operations. SVB issued a $3.9 million letter of credit in January 2014 as a security deposit for the Company’s office lease. As of September 30, 2015, the Company had $131.1 million available under its $150.0 million line of credit, reflecting $18.9 million reserved under the two letters of credit. There was zero outstanding under the line of credit as of September 30, 2015. As of December 31, 2014, the Company had $103.1 million available under its $150.0 million line of credit, reflecting $28.0 million outstanding under the line of credit and $18.9 million reserved under the two letters of credit.

Line of Credit

9 Months Ended

Sep. 30, 2015

(7) Line of Credit

In September 2013, the Company entered into an Amended and Restated Credit Agreement (the “Restated Loan Agreement”) with Silicon Valley Bank (“SVB”) and other lenders. The Restated Loan Agreement added additional lenders, increased the available borrowing amount to $150.0 million through September 2016 and changed certain of the financial provisions. The Company is required to repay the outstanding principal balance under the line of credit in full at least once every eight business days. Under the Restated Loan Agreement, the Company pays a fee of 0.50% per annum for the daily unused portions of the line of credit. The interest rate at September 30, 2015 and December 31, 2014 was 4.25%. In 2013, the Company paid SVB a one-time commitment fee of $430,000 and a one-time arrangement fee of 0.30% of the amount available under the line of credit. These expenses are being amortized over the period of the Restated Loan Agreement. In addition, the Company pays an annual administration fee of $45,000.

SVB issued a standby letter of credit for $15.0 million in May 2013 which satisfied an additional collateral requirement to maintain the Company’s India operations. SVB issued a $3.9 million letter of credit in January 2014 as a security deposit for the Company’s office lease.

As of September 30, 2015, the Company had $131.1 million available under its $150.0 million line of credit, reflecting $18.9 million reserved under the two letters of credit. There was zero outstanding under the line of credit as of September 30, 2015. As of December 31, 2014, the Company had $103.1 million available under its $150.0 million line of credit, reflecting $28.0 million outstanding under the line of credit and $18.9 million reserved under the two letters of credit.