| Dec'19 | Dec'18 | Dec'17 | ||||
|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||
Net loss | ||||||
-70,292 | -41,480 | -24,049 | ||||
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Amortization of debt discount | ||||||
15 | 17 | 17 | ||||
Change in fair value of preferred unit warrant liability | ||||||
0 | 193 | -5 | ||||
Depreciation and amortization | ||||||
1,561 | 706 | 347 | ||||
Net accretion of bond discounts/premiums | ||||||
-154 | -248 | 344 | ||||
Amortization of right to use assets | ||||||
691 | 0 | - | ||||
Stock-based compensation | ||||||
20,072 | 11,630 | 245 | ||||
Changes in operating assets and liabilities: | ||||||
Account receivable | ||||||
-2,775 | -22,224 | 25,000 | ||||
Other receivables | ||||||
4,024 | 1,215 | -369 | ||||
Prepaid expenses and other current assets | ||||||
1,065 | 2,501 | 2 | ||||
Accounts payable | ||||||
1,608 | 2,002 | -969 | ||||
Accrued expenses | ||||||
3,601 | 455 | 1,894 | ||||
Deferred revenue | ||||||
4,856 | -8,548 | 51,921 | ||||
Deferred liability | ||||||
0 | 150 | 0 | ||||
Operating lease liabilities | ||||||
-581 | 0 | - | ||||
Net cash used in operating activities | ||||||
-40,626 | -16,117 | 5,113 | ||||
Cash flows from investing activities: | ||||||
Purchase of marketable securities | ||||||
256,548 | 234,894 | 3,200 | ||||
Maturities of marketable securities | ||||||
169,695 | 58,059 | 16,008 | ||||
Sales of marketable securities | ||||||
- | - | 9,077 | ||||
Purchase of property, equipment and leasehold improvements | ||||||
6,244 | 2,830 | 1,012 | ||||
Net cash provided by investing activities | ||||||
-93,096 | -179,665 | 20,872 | ||||
Cash flows from financing activities: | ||||||
Repayments of long-term debt | ||||||
169 | 173 | 161 | ||||
Proceeds from long-term debt | ||||||
0 | 2,000 | 0 | ||||
Proceeds from issuance of common stock | ||||||
137,686 | 114,583 | 0 | ||||
Payment of common stock offering costs | ||||||
597 | 3,423 | 0 | ||||
Proceeds from issuance of Series C redeemable convertible preferred units | ||||||
0 | 55,000 | 0 | ||||
Proceeds from exercise of warrant | ||||||
0 | 75 | 0 | ||||
Proceeds from exercise of stock options | ||||||
2,824 | 0 | - | ||||
Net cash provided by (used in) financing activities | ||||||
139,743 | 168,060 | -161 | ||||
Net increase in cash and cash equivalents | ||||||
6,021 | -27,722 | 25,823 | ||||
Supplemental disclosure of cash flow information: | ||||||
Purchases of property, equipment and leasehold improvements unpaid at period end | ||||||
189 | 159 | 0 | ||||
Cash paid for interest | ||||||
70 | 39 | 32 | ||||
Increase in redemption value of preferred units | ||||||
0 | 198,366 | 4,570 | ||||