Summary of Significant Accounting Policies (Details Textual) - HKD HKD in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Significant Accounting Policies [Line Items] | |||
| Foreign Currency Transaction Gain (Loss), Realized | HKD 3,670 | HKD 1,564 | HKD 3,261 |