| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | |
|---|---|---|---|---|---|---|
Net loss | ||||||
-54,568 | -50,378 | -29,740 | -20,903 | -22,799 | -15,832 | |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Depreciation and amortization | ||||||
3,400 | 2,300 | 1,600 | 568 | 492 | 242 | |
Stock-based compensation | ||||||
26,241 | 16,329 | 9,752 | 1,871 | 1,410 | 828 | |
Amortization of debt discount and issuance costs | ||||||
37 | 210 | 260 | 251 | 116 | 111 | |
Accretion of discounts on investments, net of premium amortization | ||||||
884 | 907 | 352 | -6 | - | - | |
Loss on disposal of assets | ||||||
0 | -75 | -9 | - | -10 | -7 | |
Change in accrued interest | ||||||
- | - | - | - | -64 | -89 | |
Change in fair value of preferred stock warrant liabilities | ||||||
- | - | - | 2,123 | 111 | 291 | |
Non-cash interest expense | ||||||
0 | 0 | 1,550 | 1,481 | - | - | |
Loss on extinguishment of debt | ||||||
0 | -3,029 | 0 | - | - | - | |
Repayment of interest paid in kind | ||||||
0 | 3,141 | 0 | - | - | - | |
Provision for doubtful accounts and contractual allowances | ||||||
24,647 | 16,448 | 9,222 | 4,686 | 1,557 | 401 | |
Amortization of operating lease right-of-use assets | ||||||
8,953 | 0 | 0 | - | - | - | |
Changes in operating assets and liabilities: | ||||||
Accounts receivable | ||||||
28,725 | 21,747 | 12,471 | 8,515 | 1,281 | 2,565 | |
Inventory | ||||||
1,974 | 380 | 293 | 245 | 327 | 71 | |
Prepaid expenses and other current assets | ||||||
696 | 1,568 | 795 | 863 | 506 | 35 | |
Other assets | ||||||
4,732 | -269 | 467 | 1,235 | 491 | 1,166 | |
Accounts payable | ||||||
5,604 | -192 | 634 | 305 | 132 | 703 | |
Accrued liabilities | ||||||
6,002 | 10,501 | 5,757 | 3,380 | 3,522 | 1,399 | |
Deferred rent | ||||||
0 | 105 | 135 | -2 | 28 | -28 | |
Deferred revenue | ||||||
28 | -15 | 291 | 441 | 85 | 178 | |
Operating lease liabilities | ||||||
-5,241 | 0 | 0 | - | - | - | |
Net cash used in operating activities | ||||||
-21,863 | -29,093 | -14,911 | -16,651 | -18,005 | -15,626 | |
Cash flows from investing activities | ||||||
Purchases of property and equipment | ||||||
20,457 | 5,180 | 3,562 | 2,763 | 1,787 | 539 | |
Purchases of available-for-sale investments | ||||||
165,915 | 93,133 | 129,829 | 65,403 | - | - | |
Sales of available-for-sale investments | ||||||
1,498 | 5,962 | 0 | - | - | - | |
Maturities of available-for-sale investments | ||||||
95,600 | 126,493 | 98,707 | - | - | - | |
Net cash provided by investing activities | ||||||
-89,274 | 34,142 | -34,684 | -68,166 | -1,787 | -539 | |
Cash flows from financing activities | ||||||
Issuance of common stock in connection with follow-on public offering, net | ||||||
107,369 | 0 | 0 | 132 | 309 | 50 | |
Proceeds from issuance of common stock | ||||||
9,495 | 9,319 | 6,390 | 206 | - | - | |
Tax withholding upon vesting of restricted stock awards | ||||||
5,288 | 3,877 | 46 | - | - | - | |
Proceeds from issuance of convertible preferred stock, net of issuance costs | ||||||
- | - | - | - | 12,134 | 17,229 | |
Payments of deferred offering costs | ||||||
0 | 0 | -188 | 3,522 | 5 | - | |
Proceeds from long-term debt, net of debt discount | ||||||
0 | 35,000 | 0 | - | 29,018 | 4,905 | |
Repayments of long-term debt | ||||||
0 | 31,500 | 0 | - | 4,905 | 4,500 | |
Payments of issuance costs for long term debt | ||||||
0 | 121 | 0 | - | - | - | |
Proceeds of issuance of common stock upon initial public offering | ||||||
- | - | - | 114,436 | - | - | |
Premiums paid on extinguishment of debt | ||||||
0 | 2,518 | 0 | - | - | - | |
Net cash used in financing activities | ||||||
111,576 | 6,303 | 6,532 | 111,252 | 36,382 | 17,684 | |
Net increase in cash and cash equivalents | ||||||
439 | 11,352 | -43,063 | 26,435 | 16,590 | 1,519 | |
Supplemental disclosures of cash flow information | ||||||
Interest paid | ||||||
1,644 | 6,065 | 1,550 | 1,591 | 343 | 318 | |
Non-cash investing and financing activities | ||||||
Property and equipment included in accounts payable and accrued liabilities | ||||||
293 | 101 | 110 | 423 | - | - | |
Issuance of warrants to purchase preferred stock | ||||||
- | - | - | - | 44 | 98 | |
Deferred offering costs included in accounts payable and accrued liabilities | ||||||
77 | 0 | 0 | 188 | 265 | - | |
Right-of-use assets obtained in exchange for new operating lease liabilities | ||||||
88,860 | 0 | 0 | 97,553 | - | - | |
Conversion of preferred stock warrants to common stock warrants | ||||||
- | - | - | 4,821 | - | - | |