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Investments, Carried at Cost (Tables) | 9 Months Ended
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Sep. 30, 2019
Investment [Line Items] |
Investments, Carried at Cost | The following table sets forth the Company’s investments, carried at cost:
|  | September 30, 2019 |  |  | December 31, 2018 |
AdvisorEngine – Preferred stock |  | $ | 25,000 |  |  | $ | 25,000 |
Thesys Group, Inc. (“Thesys”) |  |  | 3,080 |  |  |  | 3,080 |
Total |  | $ | 28,080 |  |  | $ | 28,080 |
Advisor Engine [Member] |
Investment [Line Items] |
Summary of Ranges and Weighted Averages of Significant Unobservable Inputs Used to Determine Enterprise Value |
|  | Range (Weighted Average) |
Market Approach |  |  |  |
Revenue multiple |  |  | 4.7 x - 5.4 x ( 5.0 x) |
Income Approach |  |  |  |
Weighted average cost of capital (“WACC”) |  |  | 26.0% |
Thesys Group, Inc [Member] |
Investment [Line Items] |
Summary of Ranges and Weighted Averages of Significant Unobservable Inputs Used to Determine Enterprise Value | The table below presents the ranges and weighted averages of significant unobservable inputs used in this assessment:
|  | Range (Weighted Average) |
Income Approach (1) |  |
WACC |  | 3.8% - 15.5% (14.1%)
(1) | The inputs selected varied, based upon the Thesys business line being valued. An increase in the WACC would result in a lower enterprise value.

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition A tabular disclosure of (a) the aggregate carrying amount of all cost-method investments; (b) the aggregate carrying amount of cost-method investments that the investor did not evaluate for impairment for cost-method investments. + References No definition available. + Details
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