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Credit Agreement
 12 Months Ended
Dec. 31, 2011
Credit Agreement [Abstract]  
Credit Agreement

Note 6—Credit Agreement

        On October 31, 2009, the Company entered into a credit agreement with Silicon Valley Bank, which was amended on March 24, 2010, June 30, 2010, September 30, 2010, May 11, 2011 and August 10, 2011 (the "Credit Agreement"). Currently, the Credit Agreement provides for a line of credit pursuant to which the Company can borrow up to the lesser of (i) 80% of eligible accounts receivable, or (ii) $10.0 million. The Company has the option to increase credit availability to $15.0 million at any time through the maturity date of September 30, 2013, subject to the conditions of the Credit Agreement.

        The Credit Agreement contains an overall sublimit of $10.0 million to collateralize the Company's contingent obligations under letters of credit, foreign exchange contracts and cash management services. Amounts outstanding under the overall sublimit reduce the amount available pursuant to the Credit Agreement. At December 31, 2011, letters of credit in the amount of $2.0 million with expiration dates through October 31, 2012 were outstanding.

        Interest on the line of credit provided by the Credit Agreement is payable monthly at either (i) prime (4.00% at December 31, 2011) plus 1.25%, as long as the Company maintains $8.5 million in revolving credit availability plus unrestricted cash on deposit with the bank, or (ii) prime plus 2.25%. Additionally, the Credit Agreement requires payments for an unused line, as well as anniversary and early termination fees, as applicable.

        The following table presents details of interest expense related to borrowings on the lines of credit, along with certain other applicable information (in thousands):

 
   Year Ended  
 
   December 31,
2011 		  January 1,
2011 		 

Interest expense

   $ 35   $ 39  
           


 
   December 31,
2011 		  January 1,
2011 		 

Availability under the revolving line of credit

   $ 7,797   $ 5,100  

Outstanding borrowings on the revolving line of credit

     —     —  

Amounts reserved under credit sublimits

     (2,022 )   (2,900 )
           

Unutilized borrowing availability under the revolving line of credit

   $ 5,775   $ 2,200  
           

        In connection with the September 30, 2010 amendment to the Credit Agreement, Silicon Valley Bank extended a $1.5 million term loan under the Credit Agreement, which bears interest at a rate of prime plus 2.00% ("Term Loan I"). The Company is required to make monthly principal payments of $41,666 of over the 36 month term of the loan, or $0.5 million annually. Term Loan I matures in September 2013. In May 2011, Silicon Valley Bank extended an additional $3.0 million term loan ("Term Loan II"), and extended the term of the existing credit facility through September 2013. The Term Loan II bears interest at a rate of prime plus 2.75%, and is payable in equal installments of $125,000 over the 24 month term of the loan, or $1.5 million annually. Term Loan II matures in May 2013.

        The term loans are classified in long-term debt in the accompanying consolidated balance sheets.

        All obligations under the Credit Agreement are secured by a first priority lien on the Company's tangible and intangible assets. The Credit Agreement subjects the Company to certain affirmative and negative covenants, including financial covenants with respect to the Company's liquidity and tangible net worth and restrictions on the payment of dividends. As of December 31, 2011, the Company was in compliance with its financial covenants.