Common Stock, Share-based Awards and Warrants - Share-Based Compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2018 |
Mar. 31, 2017 |
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| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share-based compensation expense | $ 3,644 | $ 1,852 |
| Cost of services | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share-based compensation expense | 179 | 87 |
| Sales and marketing expenses | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share-based compensation expense | 194 | 175 |
| Product development | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share-based compensation expense | 311 | 171 |
| General and administrative | ||
| Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] | ||
| Share-based compensation expense | $ 2,960 | $ 1,419 |
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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