Long-Term Debt and Credit Facilities	3 Months Ended
Mar. 31, 2019
Debt Disclosure [Abstract]
Long-Term Debt and Credit Facilities	*8. Long-Term Debt and Credit Facilities* The Company had a working capital line of credit with its primary lender, Silicon Valley Bank, since 2004. The working capital line of credit matured on April 25, 2019. The revolving line of credit was secured by substantially all of the Company’s assets. The maximum available under the line was $5.0 million subject to the value of collateralized assets and the interest rate was equal to the prime rate subject to a floor of 4.5%. The Company was 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. As of March 31, 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 March 31, 2019, the Company had a borrowing capacity of $3.3 million based on the Company’s collateralized assets. The Company’s total liquidity as of March 31, 2019, was $12.3 million which included cash and cash equivalents of $9.0 million.

Long-Term Debt and Credit Facilities

3 Months Ended

Mar. 31, 2019

8. Long-Term Debt and Credit Facilities

The Company had a working capital line of credit with its primary lender, Silicon Valley Bank, since 2004. The working capital line of credit matured on April 25, 2019. The revolving line of credit was secured by substantially all of the Company’s assets. The maximum available under the line was $5.0 million subject to the value of collateralized assets and the interest rate was equal to the prime rate subject to a floor of 4.5%. The Company was 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.

As of March 31, 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 March 31, 2019, the Company had a borrowing capacity of $3.3 million based on the Company’s collateralized assets. The Company’s total liquidity as of March 31, 2019, was $12.3 million which included cash and cash equivalents of $9.0 million.