Consolidated Statement of Cash Flows - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Operating activities: |
|
|
|
| Net income (loss) before tax |
$ 1,184,488
|
$ (54,539)
|
$ (37,340)
|
| Adjustments to reconcile income (loss) before tax to net cash flows from operating activities: |
|
|
|
| Share - based payment costs |
7,082
|
14,288
|
13,541
|
| Depreciation expense |
227
|
109
|
37
|
| Other finance adjustments including foreign exchange rate gain (loss) |
4,217
|
(986)
|
(12,372)
|
| Cash inflow interest |
571
|
1,006
|
1,451
|
| Cash (outflow) inflow taxes |
(255,453)
|
291
|
466
|
| Decrease (increase) in other receivables and prepayments |
71
|
1,526
|
(4,841)
|
| (Decrease) increase in trade and other payables |
(1,256)
|
4,200
|
3,931
|
| Net cash flows provided by (used in) operating activities |
939,947
|
(34,105)
|
(35,127)
|
| Investing activities: |
|
|
|
| Proceeds from the maturity of available-for-sale financial assets |
85,368
|
41,201
|
43,412
|
| Purchase of equipment |
(3)
|
(31)
|
(382)
|
| Net cash flows provided by investing activities |
85,365
|
41,170
|
43,030
|
| Financing activities: |
|
|
|
| Shares issued for cash |
49
|
114
|
155
|
| Shareholder distribution |
(1,093,927)
|
|
|
| Repurchase of equity awards |
(24,813)
|
|
|
| Net cash flows (used in) provided by financing activities |
(1,118,691)
|
114
|
155
|
| Net (decrease) increase in cash and cash equivalents |
(93,379)
|
7,179
|
8,058
|
| Net foreign exchange differences |
145,035
|
(1,550)
|
(1,138)
|
| Cash and cash equivalents at January 1 |
57,898
|
52,269
|
45,349
|
| Cash and cash equivalents at December 31 |
$ 109,554
|
$ 57,898
|
$ 52,269
|