| **Share-based Compensation - Schedule of Share-based Compensation Expense (Details) (USD $)In Thousands, unless otherwise specified** | 12 Months Ended |
|---------------------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| **Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]**                                     |            |   |   |
| Share-based compensation expense                                                                                                      | $ 2,119         | $ 1,638 | $ 2,397 |
| Product development [Member]                                                                                                          |            |   |   |
| **Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]**                                     |            |   |   |
| Share-based compensation expense                                                                                                      | 700             | 475 | 64 |
| Selling and marketing [Member]                                                                                                        |            |   |   |
| **Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]**                                     |            |   |   |
| Share-based compensation expense                                                                                                      | 90              | 65 | 65 |
| General and administrative [Member]                                                                                                   |            |   |   |
| **Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]**                                     |            |   |   |
| Share-based compensation expense                                                                                                      | $ 1,329         | $ 1,098 | $ 2,268 |

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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.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F
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| X                                                                                                                                                                                                                   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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