| Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 |
|---|---|---|---|---|---|---|---|---|---|
Operating activities: | |||||||||
Net loss | |||||||||
-71,681 | -133,829 | 10,615 | 27,537 | 62,323 | 32,223 | 161,241 | 14,329 | 15,062 | -604 |
Adjustments to reconcile net loss to net cash used in operating activities: | |||||||||
Depreciation and amortization | |||||||||
16,065 | 16,760 | 14,684 | 17,017 | 16,324 | 14,242 | 8,652 | 8,601 | 9,431 | 8,454 |
Accretion and amortization on available for sale investments | |||||||||
- | - | - | - | - | - | 0 | 0 | - | - |
Loss on disposal of fixed assets | |||||||||
- | - | - | - | - | - | -128 | -503 | -504 | - |
Net gain on sale of interconnect hardware development program | |||||||||
- | - | - | - | - | - | 139,068 | 0 | 0 | - |
Share-based compensation expense | |||||||||
13,147 | 10,849 | 11,151 | 11,353 | 10,364 | 7,239 | 5,963 | 3,628 | 4,927 | 5,811 |
Deferred income taxes | |||||||||
547 | -81,468 | 1,861 | 12,103 | -53,204 | -13,175 | 3,020 | -14,396 | -251 | -1,411 |
Inventory write-down | |||||||||
- | - | - | - | - | - | 2,329 | 0 | 887 | 5,431 |
Amortization of issuance costs, convertible notes payable and line of credit | |||||||||
- | - | - | - | - | - | - | - | - | 11 |
Business Combination, Bargain Purchase, Gain Recognized, Amount | |||||||||
0 | 4,480 | 0 | 0 | - | - | - | - | - | - |
Gain on sale of equity investment | |||||||||
429 | 3,349 | 0 | 0 | - | - | - | - | - | - |
Other | |||||||||
-2,018 | -837 | -2,850 | -1,945 | -4,159 | -2,936 | - | - | - | - |
Amortization of convertible notes debt discount | |||||||||
- | - | - | - | - | - | - | - | - | 834 |
Loss on repurchase of Notes | |||||||||
- | - | - | - | - | - | - | - | - | 910 |
Cash provided (used) due to changes in operating assets and liabilities: | |||||||||
Accounts and other receivables | |||||||||
-70,958 | -38,660 | 78,396 | -36,665 | -17,450 | 169,753 | -60,744 | -34,180 | 68,077 | -56,735 |
Long-term investment in sales-type lease, net | |||||||||
-13,071 | -10,129 | 17,224 | -11,510 | 32,889 | 0 | 0 | - | - | - |
Inventory | |||||||||
-96,246 | 97,688 | -15,343 | -21,292 | 54,147 | 10,780 | -7,004 | 50,950 | 25,300 | -44,119 |
Prepaid expenses and other assets | |||||||||
1,255 | 5,306 | -2,265 | 3,972 | 9,349 | 2,670 | -1,763 | 2,275 | 2,040 | -16,078 |
Accounts payable | |||||||||
-24,368 | 11,527 | 16,903 | -19,849 | 14,504 | -509 | -6,489 | 18,099 | 1,600 | 2,028 |
Accrued payroll and related expenses and other liabilities | |||||||||
12,668 | 7,572 | -21,073 | 23,841 | -5,237 | 8,422 | 15,202 | -9,493 | 1,480 | -37,033 |
Customer contract liabilities | |||||||||
-24,043 | -6,491 | -7,570 | 8,314 | -28,407 | 44,475 | 35,911 | -5,978 | 12,807 | -34,223 |
Other non-current liabilities | |||||||||
- | - | - | - | - | - | 492 | -71 | -194 | -456 |
Net cash used in operating activities | |||||||||
101,850 | -73,341 | -52,313 | 147,756 | -58,109 | -87,350 | 156,892 | -3,823 | -49,164 | 66,684 |
Investing activities: | |||||||||
Sales/maturities of available-for-sale investments | |||||||||
7,000 | 87,513 | 30,990 | 16,229 | 53,608 | 139,277 | 0 | 0 | 3,000 | - |
Purchases of available-for-sale investments | |||||||||
0 | 94,902 | 16,159 | 14,991 | 56,064 | 85,162 | 70,218 | 0 | 0 | - |
Cash received in strategic transaction | |||||||||
1,584 | 8,000 | 0 | 0 | - | - | - | - | - | - |
Proceeds from sale of equity investment | |||||||||
429 | 4,481 | 0 | 0 | - | - | - | - | - | - |
Sales/maturities of short-term investments | |||||||||
- | - | - | - | - | - | - | - | - | 7,850 |
Purchases of short-term investments | |||||||||
- | - | - | - | - | - | - | - | - | 5,481 |
Decrease in restricted cash | |||||||||
- | - | - | -13,445 | 3,106 | 13,768 | -3,776 | -137 | -1,236 | 2,470 |
Proceeds from the sale of interconnect hardware development program, net | |||||||||
- | - | - | - | - | - | 139,225 | 0 | 0 | - |
Cash used in acquisition, net of cash acquired | |||||||||
- | - | - | - | - | - | 24,246 | 0 | 0 | - |
Purchases of property and equipment | |||||||||
5,265 | 17,467 | 7,503 | 7,467 | 17,193 | 13,136 | 10,843 | 4,916 | 3,736 | 7,581 |
Net cash provided by (used in) investing activities | |||||||||
3,748 | -12,375 | 7,328 | 7,216 | -22,755 | 27,211 | 37,694 | -4,779 | 500 | -7,682 |
Financing activities: | |||||||||
Proceeds from issuance of common stock through employee stock purchase plan | |||||||||
0 | 365 | 718 | 711 | 611 | 517 | 397 | 372 | 497 | 510 |
Purchase of employee restricted shares to fund related statutory tax withholding | |||||||||
3,060 | 2,039 | 3,379 | 4,373 | 3,767 | 3,771 | 0 | 0 | - | - |
Proceeds from exercises of stock options | |||||||||
2,383 | 1,342 | 2,121 | 2,289 | 3,086 | 3,161 | 7,430 | 1,090 | 436 | 264 |
Stock option repurchase | |||||||||
- | - | - | - | - | - | - | - | - | 669 |
Repayment of convertible notes | |||||||||
- | - | - | - | - | - | - | - | - | 27,314 |
Net cash used in financing activities | |||||||||
-677 | -332 | -540 | -1,373 | -70 | -93 | 7,827 | 1,462 | 933 | -27,209 |
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash | |||||||||
523 | 1,751 | 176 | 428 | 934 | -200 | 241 | 170 | 94 | 852 |
Net increase (decrease) in cash, cash equivalents and restricted cash | |||||||||
105,444 | -84,297 | -45,349 | 154,027 | -80,000 | -60,432 | 202,654 | -6,970 | -47,637 | 32,645 |
Supplemental disclosure of cash flow information: | |||||||||
Cash paid for interest | |||||||||
0 | 14 | 31 | 4 | 5 | 3 | 90 | 98 | 3 | 469 |
Cash paid for income taxes | |||||||||
957 | 930 | 2,441 | 3,890 | 2,935 | 2,611 | 2,804 | 1,495 | 1,530 | 1,262 |
Non-cash investing and financing activities: | |||||||||
Inventory transfers to fixed assets and service spares | |||||||||
7,910 | 2,429 | 5,292 | 8,177 | 3,313 | 4,530 | 6,278 | 2,310 | 4,183 | 1,876 |
Value of shares issued for 401(k) match | |||||||||
- | - | - | - | - | - | - | - | - | 1,780 |