Commitments and Contingencies Leases The Company leases its primary operating facilities in San Diego, CA under operating lease agreements which expire on December 31, 2015. Future minimum annual payments under the operating lease for fiscal 2014 and 2015 are approximately $898 and $953 , respectively. In addition, the Company leases certain equipment and software under operating lease agreements which expire between 2014 and 2016. Total operating lease and license expense was $4,045 , $3,606 , and $3,154 for the years ended December 28, 2013, December 29, 2012, and December 31, 2011, respectively. Annual future minimum obligations under operating leases and licensing agreements as of December 28, 2013 , are as follows: Fiscal years: 2014 $ 2,428 2015 1,366 2016 51 Total minimum lease payments $ 3,845 Long-term debt obligations In May 2013, the Company amended its existing loan and security agreement, which increased the maximum line of credit availability up to $25,000 in accounts receivable financing. The Company is obligated to pay interest at the rate of LIBOR plus 2.0% to 2.5% subject to certain covenants. Interest is payable monthly with the principal due at the maturity date, December 31, 2015 . At December 28, 2013 and December 29, 2012, there was no outstanding balance and there was $19,178 and $14,414 available, respectively. The agreement contains certain financial covenants, including covenants relating to our required liquidity ratio and minimum tangible net worth. The Company was in compliance with its financial covenants at December 28, 2013 . Legal Proceedings On February 14, 2012, the Company filed a lawsuit in the U.S. District Court for the Central District of California, which was subsequently moved to the U.S. District Court for the Southern District of California. The action alleges the infringement of five of the Company s patents relating to RFICs and switching technology by RF Micro Devices, Inc. (RFMD). The lawsuit alleges that certain of RFMD s products infringe the Company s patents re