XML 72 R49.htm IDEA: XBRL DOCUMENT
v3.19.1

Stock-Based Awards (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of Unrecognized Stock-Based Compensation Expense and Average Remaining Vesting Period | A summary of unrecognized stock-based compensation expense and average remaining vesting period is as follows:
|  | March 31, 2019 |
|  | Unrecognized Stock- Based Compensation |  |  | Average Remaining Vesting Period |
Employees and directors restricted stock awards |  | $ | 24,012 |  |  |  | 2.48 |
Summary of Stock Options, Restricted Stock, Restricted Stock Unit and Performance Stock Unit Activity | A summary of stock options, restricted stock and restricted stock unit activity for the three months ended March 31, 2019 is as follows:
|  | Stock Options |  |  | RSAs |  |  | RSUs |  |  | PRSUs |
Balance at January 1, 2019 |  |  | 570,537 |  |  |  | 1,957,102 |  |  |  | 9,494 |  |  |  | — |
Granted |  |  | — |  |  |  | 2,233,878 |  |  |  | 35,283 |  |  |  | 270,872 | (1)
Exercised/vested |  |  | (20,000 | ) |  |  | (827,721 | ) |  |  | (4,341 | ) |  |  | — |
Forfeitures |  |  | — |  |  |  | (93,194 | ) |  |  | — |  |  |  | — |
Balance at March 31, 2019 |  |  | 550,537 |  |  |  | 3,270,065 |  |  |  | 40,436 |  |  |  | 270,872 | (1)
(1) | Represents the target number of PRSUs granted and outstanding. The number of PRSUs that ultimately vest ranges from 0% to 200% of this amount. A Monte Carlo simulation was used to value these awards using the following assumptions for the Company and the peer group: (i) beginning 90-day average stock prices; (ii) valuation date stock prices; (iii) historical stock price volatilities ranging from 22% to 42% (average 28%); (iv) correlation coefficients based upon the price data used to calculate the historical volatilities; (v) a risk free interest rate of 2.56%; and (vi) an expected dividend yield of 0%.

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for share-based compensation plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Unrecognized Stock Based Compensation Expenses And Average Remaining Vesting Period Table [Text Block] + References No definition available. + Details
Name: | wetf_ScheduleOfUnrecognizedStockBasedCompensationExpensesAndAverageRemainingVestingPeriodTableTextBlock
Namespace Prefix: | wetf_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration