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Summary of Significant Accounting Policies (Policies) | 12 Months Ended
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Dec. 31, 2013
Principles of Consolidation | Principles of Consolidation The accompanying consolidated financial statements include those of Cerus Corporation and its subsidiary, Cerus Europe B.V. (collectively hereinafter “Cerus” or the “Company”) after elimination of all intercompany accounts and transactions. These consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”).
Use of Estimates | Use of Estimates The preparation of financial statements requires management to make estimates, assumptions and judgments that affect the reported amounts of assets, liabilities, revenue and expenses, and related disclosures of contingent assets and liabilities. On an ongoing basis, the Company evaluates its estimates, including those related to revenue recognition, inventory valuation, certain accrued liabilities, valuation and impairment of purchased intangibles and goodwill, valuation of warrants, valuation of stock options under share-based payments, valuation allowance of its deferred tax assets and uncertain income tax positions. The Company basis its estimates on historical experience and on various other assumptions that the Company believes to be reasonable under the circumstances, the results of which form its basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Actual results may differ from those estimates under different assumptions or conditions.
Reclassifications | Reclassifications In 2012, certain reclassifications have been made to prior period reported amounts to conform to the current period presentations. Previously the Company had presented its provision for income taxes as a component of other income (expense) , net on the Consolidated Statements of Operations. The Company has reclassified the provision for income taxes to a separate line item in the Consolidated Statements of Operations, and as presented in Note 17. This reclassification had no impact on net loss, total assets or total stockholders’ equity.
Revenue | Revenue Revenue is recognized when (i) persuasive evidence of an agreement exists; (ii) services have been rendered or product has been delivered; (iii) pricing is fixed or determinable; and (iv) collection is reasonably assured. The Company’s main sources of revenues for the years ended December 31, 2013, 2012 and 2011 were product revenue from sales of the INTERCEPT Blood System for platelets and plasma (“platelet and plasma systems”) and United States government grants and awards. Revenue related to product sales is generally recognized when the Company fulfills its obligations for each element of an agreement. For all sales of the Company’s INTERCEPT Blood System products, the Company uses a binding purchase order and signed sales contract as evidence of a written agreement. The Company sells its platelet and plasma systems directly to blood banks, hospitals, universities, government agencies, as well as to distributors in certain regions. Generally, the Company’s contracts with its customers do not provide for open return rights, except within a reasonable time after receipt of goods in the case of defective or non-conforming product. Deliverables and the units of accounting vary according to the provisions of each purchase order or sales contract. For revenue arrangements with multiple elements, the Company recognizes revenue in accordance with Financial Accounting Standards Board Accounting Standard Codification (“ASC”) Topic 605-25, “Revenue Recognition—Arrangements with Multiple Deliverables,” as applicable. The Company determines whether the delivered elements meet the criteria as separate units of accounting. Such criteria require that the deliverable have stand-alone value to the customer and that if a general right of return exists relative to the delivered item, delivery or performance of the undelivered item(s) is considered probable and substantially in the control of the Company. Once the Company determines if the deliverable meets the criteria for a separate unit of accounting, the Company must determine how the consideration should be allocated between the deliverables and how the separate units of accounting should be recognized as revenue. Consideration received is allocated to elements that are identified as discrete units of accounting based on its best estimate of selling price. The Company has determined that vendor specific objective evidence is not discernible due to the Company’s variability in its pricing across the regions into which it sells its products. Since the Company’s products are novel and unique and are not sold by others, third-party evidence of selling price is unavailable. At both December 31, 2013 and 2012, the Company had $0.2 million and $0.1 million, respectively, of short-term deferred revenue on its consolidated balance sheets related to future performance obligations. Freight costs charged to customers are recorded as a component of revenue under ASC Topic 605, “Accounting for Shipping and Handling Fees and Costs.” Value-added-taxes (“VAT”) that the Company invoices to its customers and remits to governments are recorded on a net basis, which excludes such VAT from product revenue. Revenue related to the cost reimbursement provisions under development contracts or United States government grants was recognized as the costs on the projects were incurred. The Company has received certain United States government grants and contracts that support research in defined research projects. These grants generally have provided for reimbursement of approved costs incurred as defined in the various grants. There were no such government grants in 2013 and none are expected in the foreseeable future.
Research and Development Expenses | Research and Development Expenses In accordance with ASC Topic 730, “Accounting for Research and Development Expenses,” research and development expenses are charged to expense when incurred, including cost incurred under each grant that has been awarded to the Company by the United States government or development contracts. Research and development expenses include salaries and related expenses for scientific personnel, payments to consultants, supplies and chemicals used in in-house laboratories, costs of research and development facilities, depreciation of equipment and external contract research expenses, including clinical trials, preclinical safety studies, other laboratory studies, process development and product manufacturing for research use. The Company’s use of estimates in recording accrued liabilities for research and development activities (see “Use of Estimates” above) affects the amounts of research and development expenses recorded and revenue recorded from development funding and government grants and collaborative agreements. Actual results may differ from those estimates under different assumptions or conditions.
Cash Equivalents | Cash Equivalents The Company considers all highly liquid investments with original maturities of three months or less from the date of purchase to be classified as cash equivalents. These investments primarily consist of money market instruments, and are classified as available-for-sale.
Short-Term Investments | Short-Term Investments Investments with original maturities of greater than three months which included corporate debt and United States government agency securities, are designated as available-for-sale and classified as short-term investments. In accordance with ASC Topic 320, “Accounting for Certain Investments in Debt and Equity Securities,” the Company classified all debt securities as available-for-sale at the time of purchase and reevaluates such designation as of each balance sheet date. Available-for-sale securities are carried at estimated fair value. Unrealized gains and losses derived by changes in the estimated fair value of available-for-sale securities were recorded in “Net unrealized gains (losses) on available-for-sale securities, net of taxes” on the Company’s consolidated statements of comprehensive loss. Realized gains and losses from the sale of available-for-sale investments were recorded in “Other income, net” on the Company’s consolidated statements of operations. The cost of securities sold was based on the specific identification method. The Company reported the amortization of any premium and accretion of any discount resulting from the purchase of debt securities as a component of interest income. The Company also reviewed all of its marketable securities on a regular basis to evaluate whether any security has experienced an other-than-temporary decline in fair value.
Restricted Cash | Restricted Cash The Company holds a certificate of deposit with a domestic bank for any potential decommissioning resulting from the Company’s possession of radioactive material. The certificate of deposit is held to satisfy the financial surety requirements of the California Department of Health Services and is recorded in “Restricted cash” on the Company’s consolidated balance sheets.
Concentration of Credit Risk | Concentration of Credit Risk Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of investments and accounts receivable. Pursuant to the Company’s investment policy, substantially all of the Company’s investments are maintained at a major financial institution in the United States of high credit standing, which at times, may exceed federally insured limits. The Company has not experienced any losses in its investments and believes it is not exposed to any significant risk. Concentrations of credit risk with respect to trade receivables exist. However, in connection with the Company’s revolving line of credit, as discussed in Note 11 in the Notes to Consolidated Financial Statements, the Company purchased a credit insurance policy that mitigates some of its credit risk, as the policy will pay either the Company or its lender on eligible claims filed on its outstanding receivables. On a regular basis, including at the time of sale, the Company performs credit evaluations of its customers. Generally, the Company does not require collateral from its customers to secure accounts receivable. To the extent that the Company determines specific invoices or customer accounts may be uncollectible, the Company establishes an allowance for doubtful accounts against the accounts receivable on its consolidated balance sheets and records a charge on its consolidated statements of operations as a component of selling, general and administrative expenses. The Company had two customers and three customers that accounted for more than 10% of the Company’s outstanding trade receivables at December 31, 2013 and 2012, respectively. These customers cumulatively represented approximately 48% and 59% of the Company’s outstanding trade receivables at December 31, 2013 and 2012, respectively. To date, the Company has not experienced collection difficulties from these customers.
Inventories | Inventories At December 31, 2013 and 2012, inventory consisted of work-in-process and finished goods only. Finished goods include INTERCEPT disposable kits, UVA illumination devices (“illuminators”), and certain replacement parts for the illuminators. Platelet and plasma systems’ disposable kits generally have a two-year life from the date of manufacture. Illuminators and replacement parts do not have regulated expiration dates. Work-in-process includes certain components that are manufactured over a protracted length of time, which can exceed one year, before being incorporated and assembled by Fresenius Kabi AG (“Fresenius”) into the finished INTERCEPT disposable kits. Fresenius is the successor-in-interest to Fenwal, Inc., or Fenwal, and Baxter International, Inc., or Baxter, under certain agreements which arose from the sale of the transfusion therapies division of Baxter in 2007 to Fenwal. Fenwal was recently acquired by Fresenius, which assumed Fenwal’s rights and obligations under these certain agreements, including the Company’s manufacturing and supply agreement with Fenwal. In these footnotes references to Fresenius include references to its predecessors-in-interest. The Company maintains an inventory balance based on its current sales projections, and at each reporting period, the Company evaluates whether its work-in-process inventory would be consumed for production of finished units in order to sell to existing and prospective customers within the next twelve-month period. It is not customary for the Company’s production cycle for inventory to exceed twelve months. Instead, the Company uses its best judgment to factor in lead times for the production of its finished units to meet the Company’s forecasted demands. If actual results differ from those estimates, work-in-process inventory could potentially accumulate for periods exceeding one year. At December 31, 2013 and 2012, the Company classified its work-in-process inventory as a current asset on its consolidated balance sheets based on its evaluation that the work-in-process inventory would be consumed for production and subsequently sold within each respective subsequent twelve-month period. Inventory is recorded at the lower of cost, determined on a first-in, first-out basis, or market value. The Company uses significant judgment to analyze and determine if the composition of its inventory is obsolete, slow-moving or unsalable and frequently reviews such determinations. The Company writes-down specifically identified unusable, obsolete, slow-moving, or known unsalable inventory that has no alternative use to net realizable value in the period that it is first recognized by using a number of factors including product expiration dates, open and unfulfilled orders, and sales forecasts. Any write-down of its inventory to net realizable value establishes a new cost basis and will be maintained even if certain circumstances suggest that the inventory is recoverable in subsequent periods. Costs associated with the write-down of inventory are recorded in “Cost of product revenue” on the Company’s consolidated statements of operations. At December 31, 2013, and 2012, the Company had $0.4 million and $0.3 million, respectively, reserved for potential obsolete, expiring or unsalable product. At December 31, 2012, the Company also wrote-down the value of certain unsalable inventory of $1.7 million for which the Company had an offsetting warranty claim against Fresenius. As of December 31, 2013 the Company no longer has a warranty claim against Fresenius and all unsalable inventory has been returned to Fresenius. See below in Note 2 and Note 16 for further information regarding the Company’s warranty claim against Fresenius.
Property and Equipment, net | Property and Equipment, net Property and equipment is comprised of furniture, equipment, information technology hardware and software and is recorded at cost. At the time the property and equipment is ready for its intended use, it is depreciated on a straight-line basis over the estimated useful lives of the assets (generally three to five years). Leasehold improvements are amortized on a straight-line basis over the shorter of the lease term or the estimated useful lives of the improvements.
Goodwill and Intangible Assets, net | Goodwill and Intangible Assets, net Additions to goodwill and intangible assets, net are derived at the time of a business acquisition, in which the Company assigns the total consideration transferred to the acquired assets based on each asset’s fair value and any residual amount becomes goodwill, an indefinite life intangible asset. Intangible assets, net, which include a license for the right to commercialize the INTERCEPT Blood System in Asia, are subject to ratable amortization over the estimated useful life of ten years. The amortization of the Company’s intangible assets, net, is recorded in “Amortization of intangible assets” on the Company’s consolidated statements of operations. Goodwill is not amortized but instead is subject to an impairment test performed on an annual basis, or more frequently if events or changes in circumstances indicate that goodwill may be impaired. Such impairment analysis is performed on August 31 of each fiscal year, or more frequently if indicators of impairment exist. The test for goodwill impairment may be assessed using qualitative factors to determine whether it is more likely than not that the fair value of a reporting unit is less than the carrying amount. If the Company determines that it is more likely than not that the fair value of a reporting unit is less than the carrying amount, the Company must then proceed with performing the quantitative two-step process to test goodwill for impairment; otherwise, goodwill is not considered impaired and no further testing is warranted. The Company may choose not to perform the qualitative assessment to test goodwill for impairment and proceed directly to the quantitative two-step process; however, the Company may revert to the qualitative assessment to test goodwill for impairment in any subsequent period. The first step of the two-step process compares the fair value of each reporting unit with its respective carrying amount, including goodwill. The Company has determined that it operates in one reporting unit and estimates the fair value of its one reporting unit using the enterprise approach under which it considers the quoted market capitalization of the Company as reported on the Nasdaq Global Market. The Company considers quoted market prices that are available in active markets to be the best evidence of fair value. The Company also considers other factors, which include future forecasted results, the economic environment and overall market conditions. If the fair value of the reporting unit exceeds its carrying amount, goodwill of the reporting unit is not considered impaired and, therefore, the second step of the impairment test is unnecessary. The second step of the two-step process, which is used to measure the amount of impairment loss, compares the implied fair value of each reporting unit’s goodwill with the respective carrying amount of that goodwill. If the carrying amount of the reporting unit’s goodwill exceeds the implied fair value of that goodwill, an impairment loss is recognized in an amount equal to that excess. The Company performs an impairment test on its intangible assets, in accordance ASC Topic 360-10, “Property, Plant and Equipment,” if certain events or changes in circumstances occur which indicate that the carrying amounts of its intangible assets may not be recoverable. If the intangible assets are not recoverable, an impairment loss would be recognized by the Company based on the excess amount of the carrying value of the intangible assets over its fair value. For further details regarding the impairment analysis, reference is made to the section below under “Long-lived Assets.” See Note 8 for further information regarding the Company’s impairment analysis and the valuation of goodwill and intangible assets, net.
Long-lived Assets | Long-lived Assets The Company evaluates its long-lived assets for impairment by continually monitoring events and changes in circumstances that could indicate carrying amounts of its long-lived assets may not be recoverable. When such events or changes in circumstances occur, the Company assesses recoverability by determining whether the carrying value of such assets will be recovered through the undiscounted expected future cash flows. If the expected undiscounted future cash flows are less than the carrying amount of these assets, the Company then measures the amount of the impairment loss based on the excess of the carrying amount over the fair value of the assets. The Company did not recognize impairment charges related to its long-lived assets during the years ended December 31, 2013, 2012 and 2011.
Foreign Currency Remeasurement | Foreign Currency Remeasurement The functional currency of the Company’s foreign subsidiary is the United States dollar. Monetary assets and liabilities denominated in foreign currencies are remeasured in United States dollars using the exchange rates at the balance sheet date. Non-monetary assets and liabilities denominated in foreign currencies are remeasured in United States dollars using historical exchange rates. Monetary revenues and expenses are remeasured using average exchange rates prevailing during the period. Remeasurements are recorded in the Company’s consolidated statements of operations as a component of foreign exchange gain (loss). The Company recorded foreign currency gains of $0.5 million and $0.1 million and a loss of $0.5 million during the years ended December 31, 2013, 2012 and 2011, respectively.
Stock-Based Compensation | Stock-Based Compensation The Company accounts for stock-based compensation in accordance with ASC Topic 718, “Compensation—Stock Compensation.” Stock-based compensation expense is measured at the grant-date based on the fair value of the award and is recognized as expense on a straight-line basis over the requisite service period, which is the vesting period, and is adjusted for estimated forfeitures. To the extent that stock options contain performance criteria for vesting, stock-based compensation is recognized once the performance criteria are probable of being achieved. For stock-based awards issued to non-employees, the Company follows ASC Topic 505-50, “Equity Based Payment to Non-Employees” and considers the measurement date at which the fair value of the stock-based award is measured to be the earlier of (i) the date at which a commitment for performance by the grantee to earn the equity instrument is reached or (ii) the date at which the grantee’s performance is complete. The Company recognizes stock-based compensation expense for the fair value of the vested portion of the non-employee stock-based awards in its consolidated statements of operations. See Note 14 for further information regarding the Company’s stock-based compensation assumptions and expenses.
Warrant Liability | Warrant Liability In August 2009, and November 2010, the Company issued warrants to purchase an aggregate of 2.4 million and 3.7 million shares of common stock, respectively. The material terms of the warrants were identical under each issuance except for the exercise price, date issued and expiration date. The Company classifies the warrants as a liability on its consolidated balance sheets as the warrants contain certain material terms which require the Company (or its successor) to purchase the warrants for cash in an amount equal to the value of the unexercised portion of the warrants in connection with certain change of control transactions. In addition, the Company may also be required to pay cash to a warrant holder under certain circumstances if the Company is unable to timely deliver the shares acquired upon warrant exercise to such holder. The fair value of these outstanding warrants is calculated using a combination of the Black-Scholes model and/or binomial-lattice option-pricing model and is adjusted accordingly at each reporting period. Option-pricing models require that the Company uses significant assumptions and judgment to determine appropriate inputs to the model. Some of the assumptions that the Company relies on include the volatility of the Company’s stock over the life of the warrant, risk-free interest rate and the probability of a change of control occurring. The binomial-lattice option-pricing model also considers a certain number of share price movements and the probability of each outcome happening. Changes resulting from the revaluation of warrants to fair value are recorded in “Revaluation of warrant liability” on the consolidated statements of operations. Upon the exercise or modification to remove the provisions which require the warrants to be treated as a liability, the fair value of the warrants will be reclassified from a liability to stockholders’ equity on the Company’s consolidated balance sheets and no further adjustment to the fair value would be made in subsequent periods. See Note 13 for further information regarding the Company’s valuation of warrant liability.
Income Taxes | Income Taxes The Company accounts for income taxes using the asset and liability approach in accordance with ASC Topic 740 “Accounting for Income Taxes.” Under this method, deferred tax assets and liabilities are determined based on differences between the financial reporting and tax bases of assets and liabilities and are measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse. ASC Topic 740 requires derecognition of tax positions that do not have a greater than 50% likelihood of being recognized upon review by a taxing authority having full knowledge of all relevant information. Use of a valuation allowance as described in ASC Topic 740 is not an appropriate substitute for the derecognition of a tax position. The Company recognizes accrued interest and penalties related to unrecognized tax benefits in its income tax expense. To date, the Company has not recognized any interest and penalties in its consolidated statements of operations, nor has its accrued for or made payments for interest and penalties. The Company had no unrecognized tax benefits as of December 31, 2013 and 2012. The Company continues to carry a full valuation allowance on all of its deferred tax assets. Although the Company believes it more likely than not that a taxing authority would agree with its current tax positions, there can be no assurance that the tax positions the Company has taken will be substantiated by a taxing authority if reviewed. The Company’s tax years 1998 through 2013 remain subject to examination by the taxing jurisdictions due to unutilized net operating losses and research credits.
Net Loss Per Common Share | Net Loss Per Common Share Basic net loss per common share is computed by dividing net loss by the weighted average number of common shares outstanding for the period. Diluted net loss per common share gives effect to all potentially dilutive common shares outstanding for the period. The potentially dilutive securities include stock options, employee stock purchase plan rights, warrants and restricted stock units, which are calculated using the treasury stock method, and convertible preferred stock, which is calculated using the if-converted method. Diluted net loss per common share also gives effect to potential adjustments to the numerator for changes resulting from the revaluation of warrants to fair value for the period, even if the Company is in a net loss position if the effect would be dilutive. Diluted net loss per common share used the same weighted average number of common shares outstanding for the years ended December 31, 2013 and 2011, as calculated for the basic net loss per common share as the inclusion of any potential dilutive securities would be anti-dilutive. In addition, certain potential dilutive securities were excluded from the dilution calculation for the years ended December 31, 2012, as their inclusion would have been anti-dilutive. The following table sets forth the reconciliation of the numerator and denominator used in the computation of basic and diluted net loss per common share for the years ended December 31, 2013, 2012 and 2011 (in thousands, except per share amounts):
|  | Year Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (43,337 | ) |  | $ | (15,917 | ) |  | $ | (16,982 | )
Effect of revaluation of warrant liability |  |  | — |  |  |  | (2,059 | ) |  |  | — |
Adjusted net loss used for dilution calculation |  | $ | (43,337 | ) |  | $ | (17,976 | ) |  | $ | (16,982 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Basic weighted average number of common shares outstanding |  |  | 67,569 |  |  |  | 54,515 |  |  |  | 48,050 |
Effect of dilutive potential common shares resulting from warrants accounted for as liabilities |  |  | — |  |  |  | 546 |  |  |  | — |
Diluted weighted average number of common shares outstanding |  |  | 67,569 |  |  |  | 55,061 |  |  |  | 48,050 |
Basic |  | $ | (0.64 | ) |  | $ | (0.29 | ) |  | $ | (0.35 | )
Diluted |  | $ | (0.64 | ) |  | $ | (0.33 | ) |  | $ | (0.35 | )
The table below presents common shares underlying stock options, employee stock purchase plan rights, warrants, restricted stock units and/or convertible preferred stock that were excluded from the calculation of the weighted average number of common shares outstanding used for the calculation of diluted net loss per common share. These were excluded from the calculation due to their anti-dilutive effect for the years ended December 31, 2013, 2012 and 2011 (shares in thousands):
|  | Year Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Anti-dilutive common shares |  |  | 16,370 |  |  |  | 8,716 |  |  |  | 13,595 |
Guarantee and Indemnification Arrangements | Guarantee and Indemnification Arrangements The Company recognizes the fair value for guarantee and indemnification arrangements issued or modified by the Company after December 31, 2002. In addition, the Company monitors the conditions that are subject to the guarantees and indemnifications in order to identify if a loss has occurred. If the Company determines it is probable that a loss has occurred, then any such estimable loss would be recognized under those guarantees and indemnifications. Some of the agreements that the Company is a party to contain provisions that indemnify the counter party from damages and costs resulting from claims that the Company’s technology infringes the intellectual property rights of a third party or claims that the sale or use of the Company’s products have caused personal injury or other damage or loss. The Company has not received any such requests for indemnification under these provisions and has not been required to make material payments pursuant to these provisions. The Company generally provides for a one-year warranty on certain of its INTERCEPT blood-safety products covering defects in materials and workmanship. The Company accrues costs associated with warranty obligations when claims become known and are estimable. During the year ended December 31, 2012, the Company provided for and settled the claims for warranty obligations of $0.9 million related to replacement costs for certain of its products that the Company identified were defective or had the potential of being defective. Prior to this incident, there have been very few warranty costs incurred. As a result, the Company had not accrued for any potential future warranty costs at December 31, 2011. In addition, the Company believes that the defective products and those that had the potential of being defective identified during the year ended December 31, 2012 are isolated. Accordingly, the Company has not accrued for any other incremental potential future warranty costs for its products at December 31, 2013. In connection with the warranty obligations provided for in relation to certain of its products during the year ended December 31, 2012, the Company filed a warranty claim against Fresenius, which Fresenius accepted. As a result, the Company recorded a current asset of $1.8 million on its consolidated balance sheets as of December 31, 2012 representing the full amount of the warranty claim against Fresenius as Fresenius will supply the Company with replacement products or credit notes for those defective or potentially defective products. The Company also wrote-down the value of certain unsalable inventory of $1.7 million related to these products as an offsetting warranty claim against Fresenius. As of December 31, 2013 the Company no longer has a warranty claim against Fresenius and all unsalable inventory has been returned to Fresenius.
Fair Value of Financial Instruments | Fair Value of Financial Instruments The Company applies the provisions of fair value relating to its financial assets and liabilities. The carrying amounts of accounts receivables, accounts payable, and other accrued liabilities approximate their fair value due to the relative short-term maturities. Based on the borrowing rates currently available to the Company for loans with similar terms, the Company believes the fair value of its debt approximates their carrying amounts. The Company measures and records certain financial assets and liabilities at fair value on a recurring basis, including its available-for-sale securities and warrant liability. The Company classifies instruments within Level 1 if quoted prices are available in active markets for identical assets, which include the Company’s cash accounts and its money market funds. The Company classifies instruments in Level 2 if the instruments are valued using observable inputs to quoted market prices, benchmark yields, reported trades, broker/dealer quotes or alternative pricing sources with reasonable levels of price transparency. These instruments include the Company’s available-for-sale securities related to corporate debt and United States government agency securities. The available-for-sale securities are held by a custodian who obtains investment prices from a third party pricing provider that uses standard inputs (observable in the market) to models which vary by asset class. The Company classifies instruments in Level 3 if one or more significant inputs or significant value drivers are unobservable, which include our warrant liability. The Company assesses any transfers among fair value measurement levels at the end of each reporting period. See Notes 4 and 13 for further information regarding the Company’s valuation on financial instruments.
New Accounting Pronouncements | New Accounting Pronouncements There have been no new accounting pronouncements issued during the year ended December 31, 2013, that are of significance, or potential significance, to the Company.

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