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Significant Accounting Policies (Policies) | 12 Months Ended
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Dec. 31, 2015
Accounting Policies [Abstract] |
Basis of Presentation | Basis of Presentation These consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles (“GAAP”) and in the opinion of management reflect all adjustments, consisting of only normal recurring adjustments, necessary for a fair statement of financial condition, results of operations, and cash flows for the periods presented. The consolidated financial statements include the accounts of the Company’s wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation. Certain accounts in the prior years’ consolidated financial statements have been reclassified to conform to the current year’s consolidated financial statements presentation. These reclassifications had no effect on the previously reported operating results.
Foreign Currency Translation | Foreign Currency Translation Assets and liabilities of subsidiaries whose functional currency is not the U.S. dollar are translated based on the end of period exchange rates from local currency to U.S. dollars. Results of operations are translated at the average exchange rates in effect during the period.
Use of Estimates | Use of Estimates The preparation of the Company’s consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the balance sheet dates and the reported amounts of revenues and expenses for the periods presented. Actual results could differ materially from those estimates.
Revenue Recognition | Revenue Recognition The Company earns investment advisory fees from its ETPs, as well as licensing fees from third parties. ETP advisory fees are based on a percentage of the ETPs’ average daily net assets and recognized over the period the related service is provided. Licensing fees are based on a percentage of the average monthly net assets and recognized over the period the related service is provided.
Depreciation and Amortization | Depreciation and Amortization Depreciation is provided for using the straight-line method over the estimated useful lives of the related assets as follows:
Equipment |  |  | 5 years |
Furniture and fixtures |  |  | 15 years |
Leasehold improvements are amortized over the term of their respective leases or service lives of the improvements, whichever is shorter. Fixed assets are stated at cost less accumulated depreciation and amortization.
Marketing and Advertising | Marketing and Advertising Advertising costs, including media advertising and production costs, are expensed when incurred.
Cash and Cash Equivalents | Cash and Cash Equivalents The Company considers all highly liquid investments with an original maturity of 90 days or less at the time of purchase to be classified as cash equivalents. Cash and cash equivalents are held primarily with one large financial institution.
Accounts Receivable and Allowance for Doubtful Accounts | Accounts Receivable and Allowance for Doubtful Accounts Accounts receivable are customer and other obligations due under normal trade terms. An allowance for doubtful accounts is not provided since, in the opinion of management, all accounts receivable recorded are deemed collectible.
Impairment of Long-Lived Assets | Impairment of Long-Lived Assets On a periodic basis, the Company performs a review for the impairment of long-lived assets when events or changes in circumstances indicate that the estimated undiscounted future cash flows expected to be generated by the assets are less than their carrying amounts or when other events occur which may indicate that the carrying amount of an asset may not be recoverable
Earnings per Share | Earnings per Share Basic earnings per share is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding for the period. Diluted earnings per share reflects the reduction in earnings per share assuming options or other contracts to issue common stock were exercised or converted into common stock.
Investments | Investments The Company accounts for all of its investments as held-to-maturity, which are recorded at amortized cost. For held-to-maturity investments, the Company has the intent and ability to hold investments to maturity and it is not more-likely-than-not that the Company will be required to sell the investments before recovery of their amortized cost bases, which may be maturity. On a periodic basis, the Company reviews its portfolio of investments for impairment. If a decline in fair value is deemed to be other-than-temporary, the security is written down to its fair value through earnings.
Goodwill | Goodwill Goodwill is the excess of the fair value of the purchase price over the fair values of the identifiable net assets at the acquisition date. The Company tests its goodwill for impairment at least annually. An impairment loss is triggered if the estimated fair value of the operating reporting unit is less than the estimated net book value. Such loss is calculated as the difference between the estimated fair value of goodwill and its carrying value.
Stock-Based Awards | Stock-Based Awards Accounting for stock-based compensation requires the measurement and recognition of compensation expense for all equity awards based on estimated fair values. Stock-based compensation is measured based on the grant-date fair value of the award and is amortized over the relevant service period.
Income Taxes | Income Taxes The Company accounts for income taxes using the liability method, which requires the determination of deferred tax assets and liabilities based on the differences between the financial and tax basis of assets and liabilities using the enacted tax rates in effect for the year in which differences are expected to reverse. Deferred tax assets are adjusted by a valuation allowance if, based on the weight of available evidence, it is more-likely-than-not that some portion or all of the deferred tax assets will not be realized. In order to recognize and measure any unrecognized tax benefits, management evaluates and determines whether any of its tax positions are more-likely-than-not to be sustained upon examination, including resolution of any related appeals or litigation processes, based on the technical merits of the position. Once it is determined that a position meets this recognition threshold, the position is measured to determine the amount of benefit to be recognized in the consolidated financial statements. The Company records interest expense and penalties related to tax expenses as income tax expense.
Related Party Transactions | Related Party Transactions The Company’s revenues are derived primarily from investment advisory agreements with WTT and WisdomTree ETFs. Under these agreements, the Company has licensed to WTT and WTI the use of certain of its own indexes on an exclusive basis for the WisdomTree ETFs in the U.S. and Europe The Trustees are primarily responsible for overseeing the management and affairs of the WisdomTree ETFs and the Trust for the benefit of the WisdomTree ETF shareholders and WTT has contracted with the Company to provide for general management and administration of WTT and the WisdomTree ETFs. The Company is also responsible for certain expenses of WTT, including the cost of transfer agency, custody, fund administration and accounting, legal, audit, and other non-distribution services, excluding extraordinary expenses, taxes and certain other expenses. In exchange, the Company receives fees based on a percentage of the ETF average daily net assets. The advisory agreements may be terminated by WTT upon notice. Certain officers of the Company also provide general management oversight of WTT; however, these officers have no material decision making responsibilities and primarily implement the decisions of the Trustees. At December 31, 2015 and December 31, 2014, the balance of accounts receivable from WTT was approximately $24,560 and $17,288, respectively, which is included as a component of accounts receivable on the Company’s Consolidated Balance Sheets. Revenues from advisory services provided to WTT for the years ended December 31, 2015, 2014 and 2013 was approximately $293,788, $181,987 and $148,594, respectively. At December 31, 2015 and December 31, 2014, the balance of accounts receivable from BI and WTI was approximately $487 and $157, respectively, which is included as a component of accounts receivable on the Company’s Consolidated Balance Sheets. Revenues from advisory fee services provided to BI and WTI for the years ended December 31, 2015 and 2014 was approximately $4,156 and $829, respectively.
Third-Party Sharing Arrangements | Third-Party Sharing Arrangements The Company pays a percentage of its advisory fee revenues based on incremental growth in AUM, subject to caps or minimums, to marketing agents to sell WisdomTree ETFs and for including WisdomTree ETFs on third party customer platforms.
Segment, Geographic and Customer Information | Segment, Geographic and Customer Information The Company operates as a single business segment as an ETP sponsor and asset manager providing investment advisory services. Substantially all of the Company’s revenues, pretax income and assets are derived or located in the U.S. The Company maintains operations in Europe and Japan.
Recently Issued Accounting Pronouncements | Recently Issued Accounting Pronouncements In November 2015, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update 2015-17 (ASU 2015-17), Balance Sheet Classification of Deferred Taxes, which simplifies the presentation of deferred income taxes. ASU 2015-17 provides presentation requirements to classify deferred tax assets and liabilities as noncurrent in a classified statement of financial position. The standard is effective for fiscal years beginning after December 15, 2016, including interim periods within that reporting period. Early adoption is permitted for any interim and annual financial statements that have not yet been issued. The Company early adopted ASU 2015-17 effective December 31, 2015, retrospectively. In February 2015, the FASB issued Accounting Standards Update 2015-02 (ASU 2015-02) Amendments to the Consolidation Analysis, which amends the consolidation guidance in ASC 810. The standard eliminates the deferral of FAS 167, per ASC 810-10-65-2(a), which has allowed certain investment funds to follow the previous consolidation guidance in FIN 46 (R). The standard changes whether (1) fees paid to a decision maker or service provider represent a variable interest, (2) a limited partnership or similar entity has the characteristics of a variable interest entity (“VIE”) and (3) a reporting entity is the primary beneficiary of a VIE. The effective date of the standard will be for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2015 for public companies, and early adoption is permitted. The Company early adopted ASU 2015-02 effective December 31, 2015, retrospectively. Adoption resulted in a reduction of $9,279 and $3,872 in current assets on our Consolidated Balance Sheets at December 31, 2015 and 2014, respectively. Adoption had no impact on our Consolidated Statements of Operations for December 31, 2015 and 2014. In May 2014, the FASB issued Accounting Standards Update 2014-09 (ASU 2014-09) Revenue from Contracts with Customers, which is a new comprehensive revenue recognition standard on the financial reporting requirements for revenue from contracts entered into with customers. In July 2015, the FASB deferred this ASU’s effective date by one year, to interim and annual periods beginning after December 15, 2017. The deferral allows early adoption at the original effective date. The Company is currently assessing the potential impact of the adoption of this guidance on its consolidated financial statements.
Business Combinations | Business Combinations The Company includes the results of operations of the businesses that it acquires from the respective dates of acquisition. The fair values of the purchase price of the acquisitions are allocated to the assets acquired and liabilities assumed based on their estimated fair values. The excess of the fair value of purchase price over the fair values of these identifiable assets and liabilities is recorded as goodwill.
Subsequent Events | Subsequent Events The Company has evaluated subsequent events after the date of the consolidated financial statements to consider whether or not the impact of such events needed to be reflected or disclosed in the consolidated financial statements. Such evaluation was performed through the issuance date of the consolidated financial statements.

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- Definition Disclosure of accounting policy for advertising costs. For those costs that cannot be capitalized, discloses whether such costs are expensed as incurred or the first period in which the advertising takes place. For direct response advertising costs that are capitalized, describes those assets and the accounting policy used, including a description of the qualifying activity, the types of costs capitalized and the related amortization period. An entity also may disclose its accounting policy for cooperative advertising arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 20 -Section 55 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=51677389&loc=d3e8384-108330 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=51655414&loc=d3e18780-107790 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51662920&loc=d3e8275-108329 + Details
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