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Commitments And Contingencies | 12 Months Ended
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Dec. 31, 2011
Commitments And Contingencies [Abstract] |
Commitments And Contingencies | 8. Commitments and Contingencies Lease Commitments The Company leases office space under non-cancelable operating leases. Certain of the Company's operating leases contain renewal options and rent acceleration clauses. Future minimum payments under the non-cancelable operating leases consisted of the following as of December 31, 2011 (in thousands):
2012 |  | $ | 3,406 |
2013 |  |  | 3,509 |
2014 |  |  | 1,304 |
2015 |  |  | 633 |
2016 |  |  | 91 |
Total |  | $ | 8,943 |
The Company leases its primary office space in Petaluma, California under a lease agreement that extends through February 2014. The Company received a lease incentive consisting of $1.2 million in leasehold improvements provided by the lessor. The Company has capitalized the full amount of the lease incentive and this incentive is being amortized through rent expense over the lease term. Payments under the Company's operating leases that escalate over the term of the lease are recognized as rent expense on a straight-line basis. The above table also includes future minimum lease payments for our facilities in Minneapolis, Minnesota, Acton, Massachusetts, Nanjing, China, Richardson, Texas and Fremont and Santa Barbara, California, which expire at various dates through 2016, and for certain equipment under non-cancelable operating lease agreements, obtained through our acquisition of Occam, which expire at various dates through 2015. Rent expense was $3.6 million, for the year ended December 31, 2011, and $2.1 million for each of the years ended December 31, 2010 and 2009. Purchase Commitments The Company's primary contract manufacturers place orders for component inventory in advance based upon the Company's build forecasts in order to reduce manufacturing lead times and ensure adequate component supply. The components are used by the contract manufacturers to build the products included in the build forecasts. The Company does not take ownership of the components and any outstanding orders do not represent firm purchase commitments pursuant to the Company's agreement with the contract manufacturer. The Company will provide purchase orders to its contract manufacturers in order to fulfill its monthly finished product inventory requirements. The Company incurs a liability when the manufacturer has converted the component inventory to a finished product and takes ownership of the inventory when transferred to the designated shipping warehouse. However, historically, the Company has reimbursed its primary contract manufacturer for component inventory purchases when this inventory has been rendered excess or obsolete, for example due to manufacturing and engineering change orders resulting from design changes, manufacturing discontinuation of parts by its suppliers, or in cases where inventory levels greatly exceed projected demand. The estimated excess and obsolete inventory liabilities related to such manufacturing and engineering change orders, which are included in accrued liabilities in the accompanying balance sheets, were $3.8 million and $1.0 million as of December 31, 2011 and 2010, respectively. The Company records these amounts in cost of products and services in its statement of operations. As of December 31, 2011, the Company had non-cancelable outstanding purchase orders of $5.2 million for finished goods to be delivered by its contract manufacturers. The Company did not have any outstanding purchase orders as of December 31, 2010. Accrued Warranty The Company generally provides a warranty for its hardware products for a period of one to five-years, depending on product type, from the date of shipment. The Company accrues for potential warranty claims based on the Company's historical claims experience and other relevant information. The adequacy of the accrual is reviewed on a periodic basis and adjusted, if necessary, based on additional information as it becomes available. Activity related to the product warranty is as follows (in thousands):
|  | Years Ended |
|  | December 31, 2011 |  |  | December 31, 2010 |  |  | December 31, 2009 |
Balance at beginning of period |  | $ | 3,789 |  |  | $ | 4,213 |  |  | $ | 3,375 |
Accrued warranty from the Occam acquisition |  |  | 8,500 |  |  |  | — |  |  |  | — |
Warranty charged to cost of revenue |  |  | 5,883 |  |  |  | 5,258 |  |  |  | 5,147 |
Utilization of warranty |  |  | (6,068 | ) |  |  | (5,682 | ) |  |  | (4,309 | )
Total accrued warranty |  | $ | 12,104 |  |  | $ | 3,789 |  |  | $ | 4,213 |
The Company recorded $8.5 million of accrued warranty related to the liabilities assumed with the acquisition of Occam on February 22, 2011. For more information regarding the acquisition, see Note 2 "Acquisition of Occam Networks," in the Notes to these Consolidated Financial Statements. Litigation From time to time, the Company is involved in various legal proceedings arising from the normal course of business activities. On September 16, 2010, the Company and two direct, wholly-owned subsidiaries of the Company, entered into an Agreement and Plan of Merger and Reorganization, or the "Merger Agreement". In response to the announcement of the Merger Agreement, on September 17, 2010, September 20, 2010 and September 21, 2010, three purported class action complaints were filed by three purported stockholders of Occam in the California Superior Court for Santa Barbara County: Kardosh v. Occam Networks, Inc., et al. (Case No. 1371748), or the Kardosh complaint; Kennedy v. Occam Networks, Inc., et al. (Case No. 1371762), or the Kennedy complaint; and Moghaddam v. Occam Networks, Inc., et al. (Case No. 1371802), or the Moghaddam complaint, respectively. The Kardosh, Kennedy and Moghaddam complaints, which are referred to collectively as the California class action complaints, are substantially similar. Each of the California class action complaints names Occam, the pre-acquisition members of the Occam board of directors and us as defendants. The California class action complaints generally allege that the former members of the Occam board breached their fiduciary duties in connection with the acquisition of Occam by Calix, by, among other things, engaging in an allegedly unfair process and agreeing to an allegedly unfair price for the proposed merger transaction. The California class action complaints further allege that Occam and the other entity defendants aided and abetted the alleged breaches of fiduciary duty. The plaintiffs in the California class action complaints sought injunctive relief rescinding the merger transaction and damages in an unspecified amount, as well as costs, attorney's fees, and other relief. On November 2, 2010, the three California class action complaints were consolidated into a single action, with the Kardosh action becoming the lead action, and on November 19, 2010, the California Superior Court issued an order staying the California class actions in favor of a substantively identical stockholder class action pending in the Delaware Court of Chancery (see below). The California class actions remain stayed under that order. On October 6, 2010, a purported class action complaint was filed by stockholders of Occam in the Delaware Court of Chancery: Steinhardt v. Howard-Anderson, et al. (Case No. 5878-VCL). On November 24, 2010, these stockholders filed an amended complaint, or the amended Steinhardt complaint. The amended Steinhardt complaint names Occam and the members of the Occam board of directors as defendants. The amended Steinhardt complaint does not name Calix as a defendant. Like the California class action complaints, the amended Steinhardt complaint generally alleges that the members of the Occam board breached their fiduciary duties in connection with the acquisition of Occam by Calix, by, among other things, engaging in an allegedly unfair process and agreeing to an allegedly unfair price for the merger transaction. The amended Steinhardt complaint also alleges that Occam and the former members of the Occam board breached their fiduciary duties by failing to disclose certain allegedly material facts about the merger transaction in the preliminary proxy statement and prospectus included in the Registration Statement on Form S-4 that Calix filed with the SEC on November 2, 2010. The amended Steinhardt complaint sought injunctive relief rescinding the merger transaction and award of damages in an unspecified amount, as well as plaintiffs' costs, attorney's fees, and other relief. The merger transaction was completed on February 22, 2011. On January 6, 2012, the Delaware court ruled on a motion for sanctions brought by the defendants in the Delaware case against certain of the lead plaintiffs. The Delaware court found that lead plaintiffs Michael Steinhardt, Steinhardt Overseas Management, L.P., and Ilex Partners, L.L.C., collectively the "Steinhardt Plaintiffs," had engaged in improper trading of Calix shares, and dismissed the Steinhardt Plaintiffs from the case with prejudice. The court further held that the Steinhardt Plaintiffs are: (i) barred from receiving any recovery from the litigation, (ii) required to self-report to the SEC, (iii) directed to disclose their improper trading in any future application to serve as lead plaintiff, and (iv) ordered to disgorge trading profits of $0.5 million, to be distributed to the remaining members of the class of former Occam stockholders. On January 6, 2012, the Delaware court also granted the motion of the remaining lead plaintiffs, Herbert Chen and Derek Sheeler, for class certification, and certified Messrs. Chen and Sheeler as class representatives. Chen and Sheeler, on behalf of the class of similarly situated former Occam stockholders, are expected to continue to seek an award of damages in an unspecified amount. The certified class is a non-opt-out class consisting of all owners of Occam common stock whose shares were converted to shares of Calix on the date of the merger transaction, with the exception of the defendants in the Delaware action and their affiliates. On February 4, 2012, the court entered an order giving effect to the January 6, 2012 ruling, and further ordered that class members be given notice of the certification order and notice that any class member may seek to intervene in the case or to petition the court to modify the certification order. The Company believes that the allegations in the California actions and the Delaware action are without merit and intends to continue to vigorously contest the actions. However, there can be no assurance that the Company, will be successful in defending these ongoing actions. In addition, the Company has obligations, under certain circumstances, to hold harmless and indemnify each of the former Occam directors against judgments, fines, settlements and expenses related to claims against such directors and otherwise to the fullest extent permitted under Delaware law and Occam's bylaws and certificate of incorporation. Such obligations may apply to these lawsuits. The Company is not currently a party to any other legal proceedings which, if determined adversely to the Company, would individually or in the aggregate have a material adverse effect on the Company's business, operating results or financial condition. Guarantees The Company from time to time enters into certain types of contracts that contingently require it to indemnify various parties against claims from third parties. These contracts primarily relate to (i) certain real estate leases, under which the Company may be required to indemnify property owners for environmental and other liabilities, and other claims arising from the Company's use of the applicable premises, (ii) certain agreements with the Company's officers, directors, and employees, under which the Company may be required to indemnify such persons for liabilities arising out of their relationship with the Company, (iii) contracts under which the Company may be required to indemnify customers against third-party claims that a Company product infringes a patent, copyright, or other intellectual property right and (iv) procurement or license agreements, under which the Company may be required to indemnify licensors or vendors for certain claims that may be brought against them arising from the Company's acts or omissions with respect to the supplied products or technology. Generally, a maximum obligation under these contracts is not explicitly stated. Because the obligated amounts associated with these types of agreements are not explicitly stated, the overall maximum amount of the obligation cannot be reasonably estimated. Historically, the Company has not been required to make payments under these obligations, and no liabilities have been recorded for these obligations in the Company's balance sheets.

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