Long-Term Debt and Credit Facilities	9 Months Ended
Sep. 30, 2019
Debt Disclosure [Abstract]
Long-Term Debt and Credit Facilities	*8. Long-Term Debt and Credit Facilities* The Company has had a working capital line of credit with its primary lender, Silicon Valley Bank, since 2004. The working capital line of credit matures on June 30, 2020. The revolving line of credit is secured by substantially all of the Company’s assets. The maximum available under the line is $5.0 million subject to the value of collateralized assets and the interest rate is equal to the prime rate subject to a floor of 4.5%. The Company is required under the revolving line of credit to maintain its primary operating account and the majority of its cash and investment balances in accounts with its primary lender. On June 27, 2019, the Company entered into a Second Amendment to and Reinstatement of Third Amended and Restated Loan and Security Agreement with Silicon Valley Bank to extend the maturity of the revolving line of credit to June 30, 2020 under substantially identical terms to the prior agreement. As of September 30, 2019, the Company had no outstanding balance under the revolving line of credit. Draws on the line of credit were made based on the borrowing capacity one week in arrears. As of September 30, 2019, the Company had a borrowing capacity of $2.4 million based on the Company’s collateralized assets. The Company’s total liquidity as of September 30, 2019, was $34.1 million which included cash and cash equivalents of $31.7 million.

Long-Term Debt and Credit Facilities

9 Months Ended

Sep. 30, 2019

8. Long-Term Debt and Credit Facilities

The Company has had a working capital line of credit with its primary lender, Silicon Valley Bank, since 2004. The working capital line of credit matures on June 30, 2020. The revolving line of credit is secured by substantially all of the Company’s assets. The maximum available under the line is $5.0 million subject to the value of collateralized assets and the interest rate is equal to the prime rate subject to a floor of 4.5%. The Company is required under the revolving line of credit to maintain its primary operating account and the majority of its cash and investment balances in accounts with its primary lender.

On June 27, 2019, the Company entered into a Second Amendment to and Reinstatement of Third Amended and Restated Loan and Security Agreement with Silicon Valley Bank to extend the maturity of the revolving line of credit to June 30, 2020 under substantially identical terms to the prior agreement.

As of September 30, 2019, the Company had no outstanding balance under the revolving line of credit. Draws on the line of credit were made based on the borrowing capacity one week in arrears. As of September 30, 2019, the Company had a borrowing capacity of $2.4 million based on the Company’s collateralized assets. The Company’s total liquidity as of September 30, 2019, was $34.1 million which included cash and cash equivalents of $31.7 million.