| Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | |
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net income for the year | ||||||
57,292 | 81,403 | 95,371 | 70,739 | 82,700 | 75,457 | |
Adjustments for: | ||||||
Share-based compensation | ||||||
13,213 | 12,397 | 13,267 | 13,116 | 10,714 | 8,112 | |
Depreciation | ||||||
8,211 | 7,742 | 7,685 | 7,359 | 5,264 | 4,413 | |
Amortization of intangible assets | ||||||
1,574 | 1,299 | 952 | 414 | 301 | 241 | |
Allowance for doubtful accounts | ||||||
2,366 | 1,087 | 851 | 182 | 347 | 1,229 | |
Loss due to disposal of fixed assets | ||||||
-106 | -18 | -17 | -58 | -28 | -10 | |
(Gain) Loss from foreign currency translation | ||||||
346 | -2,124 | -8,586 | 936 | - | - | |
Loss from foreign currency translation | ||||||
- | - | - | - | -1,077 | -72 | |
Gain from sale of long-term investments | ||||||
- | - | - | - | - | 211 | |
Convertible senior notes issuance cost | ||||||
- | - | - | 7,659 | - | - | |
Change in fair value of convertible senior notes | ||||||
-76,261 | -10,001 | 10,369 | -8,922 | - | - | |
Change in fair value of zero-strike call options | ||||||
- | - | - | 4,009 | - | - | |
Deferred tax expense | ||||||
1,965 | 2,077 | 2,799 | 1,074 | 372 | 401 | |
Changes in operating assets and liabilities, net of effects of acquisition: | ||||||
Increase in accounts receivable | ||||||
11,428 | 2,891 | 3,864 | 2,203 | 1,802 | 1,695 | |
Increase in prepayments and other current assets | ||||||
5,399 | 4,564 | 10,523 | 13,328 | 10,924 | 13,882 | |
Increase in accounts payable | ||||||
394 | 1,077 | 116 | -84 | 993 | -565 | |
Increase in salary and employee related accrual | ||||||
2,780 | 2,791 | 2,285 | 1,500 | 1,921 | 668 | |
Increase in taxes payable | ||||||
11,441 | 6,654 | 2,300 | 3,603 | 1,845 | 1,137 | |
Increase in advance from customers | ||||||
36,046 | 13,221 | 11,225 | 12,441 | 12,149 | 7,684 | |
Increase in other payables and accruals | ||||||
28,228 | 22,492 | 12,544 | 7,622 | 18,082 | 9,104 | |
Decrease (Increase) in other long-term assets | ||||||
1,119 | 385 | -206 | 364 | -264 | -49 | |
Net cash provided by operating activities | ||||||
221,585 | 156,543 | 133,448 | 121,783 | 123,331 | 92,224 | |
Proceeds from sale of long-term investments | ||||||
- | - | - | - | - | 211 | |
Purchase of short-term investments | ||||||
88,599 | 44,048 | 61,254 | 215,686 | 111,191 | 22,231 | |
Cash paid for long-term investments | ||||||
14,950 | 144 | 3,520 | - | - | - | |
Cash paid for acquisitions, net of cash acquired | ||||||
112,951 | 1,217 | 35,742 | - | - | - | |
Cash paid for available-for-sale securities | ||||||
- | 18,251 | - | - | - | - | |
Purchase of property and equipment | ||||||
3,636 | 2,927 | 13,343 | 5,365 | 36,690 | 21,951 | |
Purchase of intangible assets | ||||||
305 | 3,785 | 946 | 1,065 | 257 | 181 | |
Purchase of other long-term assets | ||||||
- | 106 | - | - | - | - | |
Net cash used in investing activities | ||||||
-220,441 | -70,478 | -114,805 | -222,116 | -148,138 | -44,152 | |
Proceeds from issuance of convertible senior notes | ||||||
- | - | - | 165,676 | - | - | |
Payment for zero-strike call options | ||||||
- | - | - | 49,576 | - | - | |
Repurchase and retirement of common shares | ||||||
- | - | 24,279 | 24,769 | - | - | |
Settlement of zero-strike call options and retirement of common shares | ||||||
5 | - | - | - | - | - | |
Proceeds from the exercise of share options | ||||||
65,237 | 23,116 | 12,886 | 10,403 | 16,466 | 6,391 | |
Net cash provided by (used in) financing activities | ||||||
65,232 | 23,116 | -11,393 | 101,734 | 16,466 | 6,391 | |
Effect of foreign exchange rate changes on cash | ||||||
-9,293 | 5,427 | 662 | -22 | -1,077 | -72 | |
Net increase in cash | ||||||
57,083 | 114,608 | 7,912 | 1,379 | -9,418 | 54,391 | |
Supplemental disclosure of cash flow information: | ||||||
Cash paid during the years for income taxes | ||||||
18,740 | 15,446 | 17,454 | 16,556 | 14,502 | 15,474 | |
Cash paid for interest, net of amounts capitalized | ||||||
5,898 | 5,296 | 5,317 | 2,890 | - | - | |
Supplemental disclosure of non-cash investing activities: | ||||||
Accrual related to purchase of property, equipment and software | ||||||
160 | 346 | 225 | -120 | -74 | 120 | |
Unpaid cash consideration for business combinations | ||||||
4,292 | 1,217 | 2,609 | - | - | - | |
Supplemental disclosure of non-cash financing activities: | ||||||
Restricted cash and payables related to the exercise of share options, end of year | ||||||
38 | 56 | 2,016 | 6,070 | - | - | |