| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 |
|---|---|---|---|---|---|---|
Operating activities | ||||||
Net loss | ||||||
-124,827 | -128,154 | -137,628 | -100,327 | -70,275 | -5,152 | -37,110 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Depreciation and amortization | ||||||
7,730 | 7,501 | 7,143 | 6,176 | 5,535 | 5,148 | 2,528 |
Inventory excess adjustments | ||||||
321 | 265 | 502 | 2,110 | - | - | - |
Premium amortization and discount accretion on investment securities | ||||||
945 | 238 | 857 | 1,445 | 288 | - | - |
Impairment of assets | ||||||
1,671 | 1,544 | 576 | 2,138 | 1,557 | - | - |
Stock-based compensation | ||||||
28,624 | 14,198 | 11,402 | 10,601 | 7,326 | 5,157 | 1,657 |
Non-cash lease expense | ||||||
7,748 | - | - | - | - | - | - |
(Gain) loss realized on investment securities | ||||||
16 | -43 | -64 | 191 | - | - | - |
(Gain) loss on sales of property and equipment | ||||||
- | 12 | -12 | - | 2 | -11 | - |
Loss (gain) from changes in fair value of warrants | ||||||
- | 4,118 | -1,148 | 143 | 1,481 | 1,664 | -52 |
Accretion of convertible notes | ||||||
- | - | - | - | - | - | 7,901 |
Interest accrued for borrowings and claims related settlement | ||||||
- | 2,172 | 488 | 533 | - | - | 15 |
Amortization of debt discount | ||||||
500 | 400 | 154 | - | 28 | - | - |
Other non-cash (benefits) | ||||||
51 | - | - | - | - | - | - |
Provision for credit losses | ||||||
1,141 | -41 | 143 | 984 | 529 | 349 | 527 |
Gain on disposal of business | ||||||
14,388 | - | - | - | - | - | - |
Gain from change in fair value of long term debt | ||||||
- | - | - | - | 964 | 118 | -2,166 |
Loss on debt extinguishment | ||||||
- | - | - | - | -7,313 | - | - |
Changes in operating assets and liabilities | ||||||
Accounts receivable | ||||||
-2,418 | 18,093 | -6,315 | 3,956 | 450 | -341 | 5,848 |
Inventory | ||||||
-917 | 4,900 | 3,086 | 431 | -2,929 | 890 | 9,054 |
Prepaid expenses and other current assets | ||||||
13,956 | -2,643 | 1,515 | 2,077 | 3,797 | 137 | 820 |
Restricted cash | ||||||
- | - | - | - | 273 | - | - |
Other assets | ||||||
9,099 | -335 | -600 | 2,812 | 1,041 | 24 | 63 |
Accounts payable | ||||||
-6,262 | 3,781 | 217 | 1,256 | 1,354 | -2,430 | 6,792 |
Income taxes payable | ||||||
- | - | - | - | - | -15 | - |
Accrued compensation | ||||||
3,419 | 3,069 | -1,467 | 2,515 | 2,572 | 2,994 | 1,658 |
Other accrued liabilities | ||||||
8,606 | -1,820 | 14,919 | -378 | 8,026 | 4,450 | 4,702 |
Deferred revenue | ||||||
40,848 | 42,769 | 846 | 430 | 32 | -858 | 869 |
Deferred rent, net of current portion | ||||||
- | -628 | 1,452 | 7,789 | - | - | - |
Other long-term liabilities | ||||||
310 | - | 1,329 | - | - | - | - |
Net cash used in operating activities | ||||||
-63,444 | -70,581 | -97,825 | -74,052 | -37,832 | 10,490 | -24,132 |
Investing activities | ||||||
Purchases of investments | ||||||
446,626 | 170,268 | 272,819 | 53,522 | 203,290 | - | - |
Proceeds from sale of investments | ||||||
1,666 | 37,387 | 65,270 | 59,185 | - | - | - |
Proceeds from maturity of investments | ||||||
173,900 | 131,600 | 231,200 | 64,500 | - | - | - |
Net proceeds from disposal of business | ||||||
9,675 | - | - | - | - | - | - |
Proceeds from sale of property and equipment | ||||||
- | - | - | - | 463 | 15 | - |
Purchases of property and equipment, net | ||||||
4,968 | 3,880 | 9,867 | 23,136 | 7,852 | 9,957 | 8,245 |
Net cash provided by investing activities | ||||||
-266,353 | -5,161 | 13,784 | 47,027 | -210,679 | -9,942 | -8,245 |
Financing activities | ||||||
Proceeds from exercise of stock options | ||||||
13,041 | 13,331 | 2,315 | 3,595 | 1,258 | - | - |
Proceeds from issuance of common stock under employee stock purchase plan | ||||||
4,323 | 3,617 | 3,344 | 2,589 | - | - | - |
Proceeds from equity offering, net of issuance costs | ||||||
323,410 | 96,777 | - | - | - | - | - |
Proceeds from issuance of common stock, net of issuance costs | ||||||
- | - | - | - | 180,001 | 170 | 259 |
Proceeds from short-term financing | ||||||
- | - | - | - | 42,000 | - | - |
Borrowings under long-term debt facility | ||||||
- | - | 75,000 | - | - | - | - |
Proceeds from senior secured term loan | ||||||
- | - | - | - | - | - | 20,000 |
Payment for debt issuance costs on long-term debt facility | ||||||
- | - | 287 | - | - | - | 479 |
Bridge loan | ||||||
- | - | - | - | - | - | 2,000 |
Proceeds from issuance of preferred stock, net | ||||||
- | - | - | - | - | 55,413 | 33,019 |
Borrowings under credit facility | ||||||
- | - | - | 8,000 | - | - | - |
Repayment under credit facility | ||||||
- | - | - | 1,000 | - | - | - |
Costs paid for loan | ||||||
- | - | - | - | 6 | - | - |
Proceeds from equipment financing | ||||||
- | - | - | - | - | 5,105 | 3,700 |
Repayments of equipment financing | ||||||
- | - | - | - | 5,850 | 2,480 | 475 |
Repayments of secured financings | ||||||
- | - | - | - | -20,000 | - | - |
Proceeds from collection of officer receivable | ||||||
- | - | - | - | 192 | - | - |
Payment to lender for debt extinguishment | ||||||
- | - | - | - | 7,313 | - | - |
Deferred offering costs | ||||||
- | - | - | - | - | 1,661 | 17 |
Change in restricted cash | ||||||
- | - | - | - | - | 415 | 881 |
Net cash provided by financing activities | ||||||
340,774 | 113,725 | 80,372 | 13,184 | 190,282 | 56,132 | 57,126 |
Net (decrease) increase in cash, cash equivalents and restricted cash | ||||||
10,977 | 37,983 | -3,669 | -13,841 | -58,229 | 56,680 | 24,749 |
Supplemental disclosure of cash flow information: | ||||||
Cash paid for income taxes | ||||||
2,154 | 332 | 177 | - | - | - | - |
Cash paid for interest | ||||||
12,455 | 7,914 | 3,568 | - | 2,060 | 2,063 | 920 |
Supplemental non-cash investing and financing activities: | ||||||
Purchases of property and equipment in accounts payable and accruals | ||||||
3,706 | 268 | 447 | 5,204 | 765 | 3,223 | 2,942 |
Issuance of common stock for exercise of warrants | ||||||
- | 6,762 | - | - | - | - | - |
Issuance of common stock for lender's commitment to debt financing | ||||||
- | - | 2,448 | - | - | - | - |
Conversion of convertible preferred stock to common stock | ||||||
- | - | - | - | 240,585 | - | - |