Credit Agreements	12 Months Ended
Dec. 28, 2019
Credit Agreements
Credit Agreements	Note 4—Credit Agreements SVB Credit Agreement On October 31, 2009 (“Effective Date”), the Company and Silicon Valley Bank (“SVB”) entered into a credit agreement (as amended, the “SVB Credit Agreement”), which provides for a revolving line of credit up to $5.0 million. The borrowing base is limited to 85% of the eligible accounts receivable (increased from 80% as of August 29, 2018), subject to certain adjustments. As of December 28, 2019, the borrowings under the SVB Credit Agreement bear interest based on the Wall Street Journal “prime rate” plus 2.75% and mature on March 30, 2020. On February 27, 2020, the SVB Credit Agreement was amended to extend the maturity date to April 30, 2021. The SVB Credit Agreement requires letters of credit to be secured by cash, which is classified as restricted cash in the accompanying consolidated balance sheets. As of December 28, 2019 and December 29, 2018, (i) outstanding letters of credit were $2.8 million and $1.9 million, respectively, (ii) outstanding borrowings were of $3.0 million and $2.3 million, respectively, and (iii) availability under the revolving line of credit was $0.2 million and $0.2 million, respectively. On April 12, 2017, the Company and SVB entered into an amendment to the SVB Credit Agreement to, among other things, obtain SVB’s consent in connection with the Company’s rights agreement with Computershare Trust Company, N.A., as rights agent (see Note 9), and make certain administrative changes in connection with the Company’s funding arrangement with TR Global Funding V, LLC, an affiliate of TRGP Capital Management, LLC (“TRGP”) (see Note 8). For all periods before April 20, 2017, all obligations under the SVB Credit Agreement were secured by a first priority security interest in the Company’s tangible and intangible assets, other than its patent portfolio, which was subject to a first priority security interest held by Samsung Venture Investment Co., (“SVIC”) (see Note 5). Certain of these lien priorities were modified in April and May 2017 in connection with the Company’s establishment of a funding arrangement with TRGP for certain of the Company’s litigation expenses in connection with certain of its legal proceedings against SK hynix Inc., a South Korean memory semiconductor supplier (“SK hynix”). On May 3, 2017, TRGP entered into an intercreditor agreement with each of SVIC and SVB, and on April 20, 2017, SVIC and SVB entered into an intercreditor agreement with each other (such intercreditor agreements, collectively, the “Intercreditor Agreements”). Pursuant to the terms of the Intercreditor Agreements, SVB’s security interests in the Company’s assets have been modified as follows: SVB has a first priority security interest in all of the Company’s tangible and intangible assets other than its patent portfolio and its claims underlying and any proceeds it may receive from the SK hynix proceedings; a second priority security interest in the Company’s patent portfolio other than the patents that are the subject of the SK hynix proceedings; and a third priority security interest in the Company’s patents that are the subject of the SK hynix proceedings (see Note 8). The SVB Credit Agreement subjects the Company to certain affirmative and negative covenants, including financial covenants with respect to the Company’s liquidity and restrictions on the payment of dividends. As of December 28, 2019, the Company was in compliance with its covenants under the SVB Credit Agreement.

Note 4—Credit Agreements

SVB Credit Agreement

On October 31, 2009 (“Effective Date”), the Company and Silicon Valley Bank (“SVB”) entered into a credit agreement (as amended, the “SVB Credit Agreement”), which provides for a revolving line of credit up to $5.0 million. The borrowing base is limited to 85% of the eligible accounts receivable (increased from 80% as of August 29, 2018), subject to certain adjustments. As of December 28, 2019, the borrowings under the SVB Credit Agreement bear interest based on the Wall Street Journal “prime rate” plus 2.75% and mature on March 30, 2020. On February 27, 2020, the SVB Credit Agreement was amended to extend the maturity date to April 30, 2021. The SVB Credit Agreement requires letters of credit to be secured by cash, which is classified as restricted cash in the accompanying consolidated balance sheets. As of December 28, 2019 and December 29, 2018, (i) outstanding letters of credit were $2.8 million and $1.9 million, respectively, (ii) outstanding borrowings were of $3.0 million and $2.3 million, respectively, and (iii) availability under the revolving line of credit was $0.2 million and $0.2 million, respectively.

On April 12, 2017, the Company and SVB entered into an amendment to the SVB Credit Agreement to, among other things, obtain SVB’s consent in connection with the Company’s rights agreement with Computershare Trust Company, N.A., as rights agent (see Note 9), and make certain administrative changes in connection with the Company’s funding arrangement with TR Global Funding V, LLC, an affiliate of TRGP Capital Management, LLC (“TRGP”) (see Note 8).

For all periods before April 20, 2017, all obligations under the SVB Credit Agreement were secured by a first priority security interest in the Company’s tangible and intangible assets, other than its patent portfolio, which was subject to a first priority security interest held by Samsung Venture Investment Co., (“SVIC”) (see Note 5). Certain of these lien priorities were modified in April and May 2017 in connection with the Company’s establishment of a funding arrangement with TRGP for certain of the Company’s litigation expenses in connection with certain of its legal proceedings against SK hynix Inc., a South Korean memory semiconductor supplier (“SK hynix”). On May 3, 2017, TRGP entered into an intercreditor agreement with each of SVIC and SVB, and on April 20, 2017, SVIC and SVB entered into an intercreditor agreement with each other (such intercreditor agreements, collectively, the “Intercreditor Agreements”). Pursuant to the terms of the Intercreditor Agreements, SVB’s security interests in the Company’s assets have been modified as follows: SVB has a first priority security interest in all of the Company’s tangible and intangible assets other than its patent portfolio and its claims underlying and any proceeds it may receive from the SK hynix proceedings; a second priority security interest in the Company’s patent portfolio other than the patents that are the subject of the SK hynix proceedings; and a third priority security interest in the Company’s patents that are the subject of the SK hynix proceedings (see Note 8).

The SVB Credit Agreement subjects the Company to certain affirmative and negative covenants, including financial covenants with respect to the Company’s liquidity and restrictions on the payment of dividends. As of December 28, 2019, the Company was in compliance with its covenants under the SVB Credit Agreement.