| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | ||
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net Income (Loss) Attributable to Parent | ||||||
-118,535 | -74,836 | -80,720 | -65,479 | -27,260 | ||
Adjustments to reconcile net loss to net cash (used in) provided by operating activities | ||||||
Stock-based compensation | ||||||
55,450 | 53,497 | 42,596 | 16,834 | 8,712 | ||
Depreciation and amortization | ||||||
11,912 | 8,003 | 6,068 | 3,610 | 1,788 | ||
Amortization of discount on debt and interest income | ||||||
- | - | - | - | 651 | ||
Revaluation of warrant liabilities | ||||||
0 | 0 | 727 | -1,104 | 5,621 | ||
Other | ||||||
-38 | -461 | 127 | -694 | - | ||
Allowance for doubtful accounts | ||||||
- | - | - | - | -346 | ||
Changes in operating assets and liabilities | ||||||
Accounts receivable | ||||||
5,220 | 10,899 | 19,992 | 14,608 | 6,533 | ||
Inventory | ||||||
-1,129 | -2,168 | 2,719 | 450 | 55 | ||
Deferred commissions | ||||||
506 | 2,621 | 7,469 | 9,624 | - | ||
Deferred cost of revenue | ||||||
- | - | - | - | -2,492 | ||
Prepaid expenses and other current assets | ||||||
2,289 | 3,084 | 141 | 4,772 | 1,017 | ||
Other assets | ||||||
188 | 3,543 | -60 | 992 | 212 | ||
Accounts payable | ||||||
-1,239 | 4,632 | 1,734 | 596 | 29 | ||
Accrued compensation | ||||||
1,370 | 7,057 | 8,072 | 4,134 | 819 | ||
Accrued expenses | ||||||
3,415 | 2,667 | -599 | 2,045 | 2,201 | ||
Deferred revenue | ||||||
15,939 | 30,366 | 49,569 | 23,888 | 17,003 | ||
Customer deposits | ||||||
- | - | - | - | -712 | ||
Severance pay, net | ||||||
- | - | - | - | 23 | ||
Other liabilities | ||||||
16,200 | -379 | 206 | 6,937 | 193 | ||
Net cash (used in) provided by operating activities | ||||||
-22,524 | 13,489 | -2,735 | -38,291 | 3,397 | ||
Cash flows from investing activities: | ||||||
Purchases of property and equipment | ||||||
7,760 | 7,628 | 4,517 | 22,006 | 2,757 | ||
Purchases of marketable securities | ||||||
63,569 | 54,530 | 123,032 | 23,983 | 0 | ||
Proceeds from maturities of marketable securities | ||||||
82,345 | 130,633 | 0 | 12,000 | 0 | ||
Proceeds from sales of marketable securities | ||||||
- | - | - | 11,979 | 0 | ||
Business acquisition, net of cash acquired | ||||||
10,271 | 105,425 | 0 | 0 | - | ||
Change in restricted cash | ||||||
- | - | - | - | 3,308 | ||
Net cash provided by (used in) investing activities | ||||||
745 | -36,950 | -127,549 | -22,010 | -6,065 | ||
Cash flows from financing activities: | ||||||
Net borrowings of notes payable | ||||||
- | - | - | 29,977 | 0 | ||
Repayments of notes payable | ||||||
7,500 | 7,500 | 7,500 | 20,130 | 172 | ||
Payment of accrued success fees | ||||||
0 | 0 | 350 | 0 | 0 | ||
Net proceeds from issuance of redeemable convertible preferred stock | ||||||
- | - | - | 2,399 | 75,340 | ||
Proceeds from sales of shares through employee equity incentive plans | ||||||
36,380 | 31,790 | 1,626 | 1,071 | - | ||
Proceeds from issuance of redeemable convertible preferred stock upon exercise of warrants | ||||||
- | - | - | - | 90 | ||
Proceeds from exercise of stock options | ||||||
- | - | - | - | 11,784 | ||
Repurchase of unvested common stock | ||||||
- | - | - | - | 149 | ||
Payment related to shares withheld for taxes on vesting of restricted stock units | ||||||
4,538 | 11,443 | 0 | 0 | - | ||
Payments of Stock Issuance Costs | ||||||
0 | 1,542 | 4,245 | 7 | 0 | ||
Proceeds from public offering, net of underwriting discounts and commissions | ||||||
0 | 13,818 | 124,233 | 0 | 0 | ||
Others | ||||||
20 | 0 | 0 | - | - | ||
Net cash provided by financing activities | ||||||
24,362 | 25,123 | 113,764 | 13,310 | 86,893 | ||
Effect of exchange rate changes on cash and cash equivalents | ||||||
-4 | -7 | 0 | 0 | - | ||
Net change in cash, cash equivalents, and restricted cash for period | ||||||
2,579 | 1,655 | -16,520 | -46,991 | 84,225 | ||
Supplemental disclosure of cash flow information: | ||||||
Cash paid for income taxes | ||||||
3,286 | 1,447 | 1,634 | 1,012 | 310 | ||
Cash paid for interest | ||||||
384 | 628 | 819 | 2,014 | 2,011 | ||
Noncash disclosure of investing and financing activities: | ||||||
Change in liability for early exercise of stock options, net of vested portion | ||||||
405 | 840 | 1,089 | 1,075 | -2,203 | ||
Costs related to issuance of redeemable convertible preferred stock in accrued expenses | ||||||
- | - | - | - | 1,542 | ||
Leasehold improvements paid by lessor | ||||||
- | - | - | - | 238 | ||
Purchases of property and equipment recorded in accounts payable and accrued expenses | ||||||
- | - | - | - | 107 | ||
Deferred offering costs included in accrued expenses | ||||||
- | - | - | 1,435 | 0 | ||
Conversion of preferred stock warrants to common stock warrants in connection with initial public offering | ||||||
0 | 0 | 4,173 | 0 | 0 | ||
Cashless exercise of preferred stock warrants | ||||||
0 | 0 | 1,428 | 0 | 0 | ||
Leased assets obtained in exchange for new operating lease liabilities | ||||||
15,159 | - | - | - | - | ||