| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 |
|---|---|---|---|---|---|---|---|---|
Operating activities: | ||||||||
Net income (loss) | ||||||||
-66,049 | -2,146 | 73,951 | 31,234 | 10,793 | 4,283 | -1,406 | -945 | -5,328 |
Net Income (Loss) Available to Common Stockholders, Basic | ||||||||
- | - | - | - | - | 4,283 | - | - | - |
Adjustments to reconcile net income to net cash provided by (used in) operating activities: | ||||||||
Lower of cost or market reserve adjustment to inventory | ||||||||
6,800 | 7,200 | 1,900 | 3,707 | - | - | - | - | - |
Lower of cost or market reserve adjustment to inventory | ||||||||
- | - | - | - | 2,832 | 941 | 492 | 858 | 1,579 |
Depreciation and amortization | ||||||||
24,014 | 29,698 | 20,381 | 14,188 | 9,424 | 6,169 | 3,407 | 2,942 | 3,112 |
Amortization of debt issuance costs | ||||||||
892 | 42 | 81 | - | - | - | - | - | - |
Deferred income taxes, net | ||||||||
14,570 | -8,964 | -114 | - | - | - | - | - | - |
Deferred income taxes, net | ||||||||
- | - | - | 11,426 | - | - | - | - | - |
Loss on disposal of assets | ||||||||
-13 | -7 | -97 | -126 | - | - | - | - | - |
Loss (gain) on disposal of assets | ||||||||
- | - | - | - | -78 | -12 | -1 | -36 | -80 |
Share-based compensation | ||||||||
11,804 | 11,120 | 7,795 | 3,833 | 2,120 | 2,061 | 1,069 | 161 | - |
Unrealized foreign exchange gain | ||||||||
245 | 548 | -330 | 937 | -2,462 | 1,288 | 362 | - | - |
Stock-based compensation and warrant expense | ||||||||
- | - | - | - | - | - | - | - | 563 |
Changes in operating assets and liabilities: | ||||||||
Accounts receivable, trade | ||||||||
4,355 | -29,316 | 10,080 | 11,147 | 7,531 | 9,703 | 8,457 | 1,158 | 4,498 |
Notes receivable | ||||||||
- | - | - | - | -977 | 977 | -1,036 | 1,034 | 0 |
Prepaid income tax | ||||||||
-961 | -230 | 1,386 | - | - | - | - | - | - |
Inventories | ||||||||
-1,560 | 28,403 | 21,876 | -10,207 | 37,502 | 16,105 | 7,520 | 538 | 1,578 |
Other current assets | ||||||||
-5,514 | 2,939 | 4,266 | -4,119 | 2,624 | 745 | 4,622 | 261 | -473 |
Operating right of use asset | ||||||||
847 | 0 | 0 | - | - | - | - | - | - |
Accounts payable | ||||||||
3,150 | -13,714 | 7,249 | 9,105 | -1,258 | 18,947 | 8,079 | -961 | 1,534 |
Accrued income taxes | ||||||||
0 | -7,390 | 6,204 | 988 | 220 | - | - | - | - |
Accrued liabilities | ||||||||
-308 | 554 | 4,052 | 3,107 | 4,797 | 2,359 | 1,369 | 542 | -62 |
Lease liability | ||||||||
-896 | 0 | 0 | - | - | - | - | - | - |
Net cash provided by (used in) operating activities | ||||||||
-1,754 | 14,029 | 84,284 | 57,104 | -15,212 | 8,530 | -6,190 | -358 | -4,125 |
Investing activities: | ||||||||
Purchase of short-term investments | ||||||||
- | - | - | - | 175 | 246 | 7,970 | 0 | 0 |
Maturities of short-term investments | ||||||||
0 | 36 | 8 | 7,752 | - | - | - | - | - |
Purchase of property, plant and equipment | ||||||||
28,789 | 71,854 | 66,968 | 49,442 | 57,080 | 41,129 | 9,600 | -3,178 | -1,790 |
Purchase of land use rights | ||||||||
0 | 5,591 | 0 | - | - | - | - | - | - |
Proceeds from disposal of equipment | ||||||||
1 | 697 | 171 | 14 | 351 | 47 | 0 | 138 | 387 |
Deposits and prepaid for equipment | ||||||||
2,688 | -674 | 2,871 | -688 | - | - | - | - | - |
Deposits and prepaid for equipment | ||||||||
- | - | - | - | 4,238 | 720 | 43 | 41 | 1 |
Purchase of intangible assets | ||||||||
640 | 476 | 499 | 547 | 478 | 3,340 | 123 | 209 | 167 |
Net cash used in investing activities | ||||||||
-32,116 | -76,514 | -70,159 | -41,535 | -61,620 | -45,388 | -17,736 | -3,290 | -1,571 |
Financing activities: | ||||||||
Proceeds from issuance of notes payable and long-term debt, net of debt issuance costs | ||||||||
13,661 | 47,849 | 0 | - | - | - | - | - | - |
Principal payments of long-term debt and notes payable | ||||||||
43,363 | 3,133 | 42,758 | - | - | - | - | - | - |
Proceeds from issuance of notes payable and long-term debt, net of debt issuance costs | ||||||||
- | - | - | 28,858 | - | - | - | - | - |
Proceeds from issuance of notes payable and long-term debt, net of debt issuance costs | ||||||||
- | - | - | - | 16,944 | 8,150 | 2,851 | 845 | 0 |
Principal payments of long-term debt and notes payable | ||||||||
- | - | - | 5,855 | 2,413 | 8,076 | 285 | 707 | 245 |
Proceeds from line of credit borrowings | ||||||||
83,434 | 155,078 | 88,003 | 117,172 | 144,386 | 53,658 | 23,192 | 15,560 | 16,098 |
Repayments of line of credit borrowings | ||||||||
88,299 | 165,569 | 39,003 | 163,068 | 121,386 | 50,733 | 23,008 | 13,692 | 15,200 |
Proceeds from bank acceptance payable | ||||||||
13,638 | 4,595 | 0 | 5,850 | 8,257 | 5,925 | 6,778 | 3,746 | 662 |
Repayments of bank acceptance payable | ||||||||
11,952 | 0 | 309 | 8,398 | 6,361 | 6,986 | 6,026 | 2,894 | 0 |
Proceeds from issuance of convertible senior notes, net of debt issuance costs | ||||||||
76,362 | 0 | 0 | - | - | - | - | - | - |
Principal payments of financing lease | ||||||||
2 | - | - | - | - | - | - | - | - |
Repayments of note payable | ||||||||
- | - | - | 1,000 | 1,000 | 1,000 | 0 | 0 | - |
Repayments of notes payable | ||||||||
- | - | - | - | - | - | - | 150 | 1,200 |
Decrease (increase) in restricted cash | ||||||||
- | - | - | - | - | -266 | 249 | 193 | 155 |
Exercise of stock options | ||||||||
14 | 120 | 1,460 | 859 | 452 | 365 | 173 | 5 | 16 |
Payments of tax withholding on behalf of employees related to share-based compensation | ||||||||
897 | 4,137 | 10,721 | - | - | - | - | - | - |
Exercise of warrants | ||||||||
- | - | - | - | - | - | 494 | 0 | 0 |
Proceeds from common stock offering, net | ||||||||
0 | 0 | 21,572 | 27,237 | 38,648 | 45,681 | 31,448 | 0 | - |
Other | ||||||||
- | - | - | - | 6 | - | 0 | - | - |
Common stock issued for consultant services | ||||||||
- | - | - | - | - | - | - | - | -1 |
Proceeds from initial public offering, net | ||||||||
- | - | - | - | - | - | - | - | 0 |
Issuance of preferred stock, net | ||||||||
- | - | - | - | - | - | - | 10,234 | 2,859 |
Net cash provided by financing activities | ||||||||
42,596 | 34,803 | 18,244 | 1,655 | 77,533 | 47,250 | 35,368 | 12,754 | 2,836 |
Effect of exchange rate changes on cash | ||||||||
298 | 1,738 | -385 | - | - | - | - | - | - |
Effect of exchange rate changes on cash | ||||||||
- | - | - | 1,947 | -592 | -223 | -159 | -150 | 136 |
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||||
9,024 | -25,944 | 31,984 | 19,171 | 109 | - | - | - | - |
Net increase in cash | ||||||||
- | - | - | - | - | 10,169 | 11,283 | 8,956 | -2,724 |
Supplemental disclosure of cash flow information: | ||||||||
Interest, net of amounts capitalized | ||||||||
3,172 | 848 | 872 | 1,689 | 1,070 | 329 | 1,133 | 1,469 | 1,392 |
Income taxes | ||||||||
-890 | 8,470 | 5,835 | -12 | 650 | 148 | 1 | 0 | 1 |
Non-cash investing and financing activities: | ||||||||
Net change in accounts payable related to property and equipment additions | ||||||||
-3,869 | -1,151 | 4,582 | - | - | - | - | - | - |
Net change in deposits and prepaid for equipment related to property and equipment additions | ||||||||
8,801 | 0 | 0 | - | - | - | - | - | - |
Purchase of intangible assets with notes payable | ||||||||
- | - | - | - | - | 3,000 | 0 | 0 | - |
Conversion of shareholders' loan to preferred stock | ||||||||
- | - | - | - | - | - | - | 760 | 1,100 |