| Dec'17 | Dec'16 | Dec'15 | ||||
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net income | ||||||
32,143 | 12,303 | 3,493 | ||||
Adjustments to reconcile net income to net cash provided by (used in) operating activities: | ||||||
Allowance for doubtful accounts | ||||||
228 | 73 | 40 | ||||
Inventory write-down | ||||||
6,503 | 5,582 | 3,261 | ||||
Share-based compensation | ||||||
8,950 | 4,924 | 3,889 | ||||
Depreciation and amortization | ||||||
7,780 | 5,168 | 3,573 | ||||
Deferred income tax | ||||||
-521 | 214 | -2,133 | ||||
Loss on disposal of property and equipment | ||||||
-162 | -130 | -136 | ||||
Gain on disposal of investment | ||||||
840 | 0 | 1,493 | ||||
Share of loss in equity method investment | ||||||
-194 | 0 | -1,580 | ||||
Impairment loss of investments | ||||||
957 | - | - | ||||
Exchange (gain) loss | ||||||
60 | 46 | -19 | ||||
Changes in operating assets and liabilities: | ||||||
Accounts receivable | ||||||
70,241 | 37,526 | 20,924 | ||||
Inventories | ||||||
16,416 | 2,374 | 17,366 | ||||
Advances to suppliers | ||||||
2,022 | 5,846 | -2,327 | ||||
Prepayments and other current assets | ||||||
11,871 | 271 | 10,935 | ||||
Amounts due from related parties | ||||||
7,688 | 174 | 3,460 | ||||
Other non-current assets | ||||||
471 | 153 | 1,758 | ||||
Accounts payable | ||||||
8,384 | 9,413 | 26,319 | ||||
Notes payable | ||||||
-10,319 | 12,106 | 168 | ||||
Income tax payables | ||||||
2,245 | 1,155 | 864 | ||||
Accrued expenses and other current liabilities | ||||||
26,917 | -2,742 | 12,741 | ||||
Net cash provided by (used in) operating activities | ||||||
-25,986 | 1,936 | 341 | ||||
Cash flows from investing activities: | ||||||
Purchases of property and equipment | ||||||
41,042 | 10,963 | 7,174 | ||||
Purchases of short term investment | ||||||
41,900 | 0 | 7,719 | ||||
Disposal of short term investment | ||||||
0 | -1,440 | - | ||||
Disposals of property and equipment | ||||||
- | - | 0 | ||||
Additions of intangible assets | ||||||
5,592 | 2,316 | 1,851 | ||||
Purchases of land use right | ||||||
7,041 | - | - | ||||
Investment in cost method investees | ||||||
0 | 972 | 1,186 | ||||
Payment for equity method investees | ||||||
0 | 0 | 1,631 | ||||
Cash paid for business combination, net of cash received | ||||||
2,618 | - | - | ||||
Cash disposed upon deconsolidation of a subsidiary | ||||||
0 | 3,779 | - | ||||
Disposal of investment | ||||||
176 | 0 | 1,544 | ||||
(Increase) decrease in restricted cash | ||||||
-305 | - | - | ||||
Increase in restricted cash | ||||||
- | 387 | 1,581 | ||||
Loan to a cost method investee | ||||||
221 | 225 | - | ||||
Net cash used in investing activities | ||||||
-97,933 | -17,202 | -19,598 | ||||
Cash acquired upon consolidation of VIE | ||||||
- | 0 | 0 | ||||
Cash flows from financing activities: | ||||||
Proceeds from issuance of ordinary shares upon public offering | ||||||
0 | 36,537 | 121,083 | ||||
Payment for public offering costs | ||||||
1,316 | 2,253 | 11,932 | ||||
Proceeds from short-term borrowings | ||||||
50,627 | 0 | 0 | ||||
Repayment of borrowings | ||||||
24,191 | 0 | 0 | ||||
Proceeds from amounts due to related parties | ||||||
- | 0 | 0 | ||||
Capital contribution from NCI | ||||||
0 | 2,026 | - | ||||
Repayment of amounts due to related parties | ||||||
- | 0 | 0 | ||||
Proceeds from shareholders payment for ordinary shares | ||||||
- | 0 | 0 | ||||
Proceeds from issuance of convertible redeemable preferred shares | ||||||
- | 0 | 0 | ||||
Proceeds from exercises of stock options | ||||||
656 | 568 | 25 | ||||
Payment for ordinary shares repurchase | ||||||
0 | 6,528 | 2,155 | ||||
Advances for ordinary shares repurchase | ||||||
0 | 0 | 852 | ||||
Net cash provided by financing activities | ||||||
25,776 | 30,350 | 106,169 | ||||
Net increase (decrease) in cash and cash equivalents | ||||||
-98,143 | 15,084 | 86,912 | ||||
Effect of exchange rate changes on cash and cash equivalents | ||||||
-5,220 | 3,648 | 2,758 | ||||
Supplemental disclosure of cash flow information: | ||||||
Cash paid for interest | ||||||
469 | 0 | 0 | ||||
Cash paid for income tax | ||||||
-6,614 | -1,056 | -339 | ||||
Supplemental disclosures of non-cash investing and financing activities: | ||||||
Unpaid public offering costs | ||||||
0 | 1,234 | 238 | ||||
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] | ||||||
Fair value of assets acquired | ||||||
5,980 | - | - | ||||
Cash paid for the business combination | ||||||
-2,744 | - | - | ||||
Liabilities assumed | ||||||
3,236 | - | - | ||||