| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||||||||
Net loss | ||||||||||||
-31,023 | -35,441 | -32,364 | -30,690 | -23,952 | -24,091 | -19,918 | -20,869 | -20,410 | -16,981 | -15,601 | -15,194 | -12,345 |
Adjustments to reconcile net loss to net cash used in operating activities | ||||||||||||
Depreciation and amortization | ||||||||||||
159 | 141 | 86 | 65 | 64 | 60 | 48 | 35 | 32 | 30 | 27 | 20 | 12 |
Stock-based compensation | ||||||||||||
4,727 | 4,463 | 4,441 | 3,741 | 3,804 | 3,254 | 3,276 | 2,101 | 1,594 | 1,037 | 1,040 | 769 | 548 |
Loss on disposal of fixed assets | ||||||||||||
-8 | - | - | - | - | - | - | - | - | - | - | - | - |
Increase in fair value of warrant activity | ||||||||||||
- | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 41 |
Change in operating assets and liabilities | ||||||||||||
Prepaid expenses and other assets | ||||||||||||
-1,371 | -553 | -1,056 | 1,984 | -156 | -623 | -303 | 866 | -53 | 194 | -438 | -163 | 660 |
Accounts payable | ||||||||||||
992 | -2,326 | 3,287 | -82 | -631 | 646 | -648 | -634 | -366 | - | - | - | - |
Accrued expenses and other liabilities | ||||||||||||
-3,259 | - | -1,632 | 6,062 | -987 | - | 107 | 2,073 | 987 | - | - | - | - |
Deferred Rent | ||||||||||||
- | - | - | - | - | 0 | 13 | 2 | 1 | - | - | - | - |
Accounts payable and accrued expenses | ||||||||||||
- | - | - | - | - | - | - | - | - | - | - | 1,505 | 3,124 |
Net cash used in operating activities | ||||||||||||
-27,025 | -30,011 | -25,126 | -22,888 | -21,546 | -21,228 | -16,810 | -18,160 | -18,109 | -14,746 | -13,756 | -12,737 | -9,280 |
Cash flows from investing activities | ||||||||||||
Purchases of property and equipment | ||||||||||||
- | 1,100 | 1,224 | 176 | 216 | 111 | 414 | 113 | 71 | 24 | 236 | 21 | 13 |
Net cash used in investing activities | ||||||||||||
- | -600 | -1,224 | -676 | -216 | -111 | -414 | -113 | -71 | -24 | -236 | -21 | -13 |
Cash flows from financing activities | ||||||||||||
Proceeds from stock options and warrants exercised | ||||||||||||
219 | 386 | 1,372 | 678 | 269 | 383 | 506 | 261 | 647 | 202 | 0 | 12 | 1 |
Proceeds from public offering, net of underwriting fees and commissions | ||||||||||||
- | - | - | - | - | 0 | 219,106 | 12,059 | 108,424 | - | - | - | - |
Payment of public offering costs | ||||||||||||
- | - | - | - | - | 278 | 91 | 207 | 316 | 0 | 303 | 809 | 286 |
Net cash provided by financing activities | ||||||||||||
219 | 386 | 1,372 | 678 | 269 | 105 | 219,521 | 12,113 | 108,755 | 202 | -303 | 107,706 | -285 |
Net change in cash and cash equivalents | ||||||||||||
-26,806 | -30,225 | -24,978 | -22,886 | -21,493 | -21,234 | 202,297 | -6,160 | 90,575 | -14,568 | -14,295 | 94,948 | -9,578 |
Non-cash investing and financing activities | ||||||||||||
Upfront project costs and other current assets in accounts payable | ||||||||||||
27 | - | - | - | 315 | - | - | - | - | - | - | - | - |
Accretion of redeemable convertible preferred stock | ||||||||||||
- | - | - | - | - | - | - | - | - | 0 | 0 | 289 | 4,468 |
Purchases of equipment in accounts payable and accrued expenses | ||||||||||||
- | -1,039 | 974 | 52 | 54 | 81 | -72 | 82 | 9 | - | - | - | - |
Costs for public offering in accounts payable and accrued expenses | ||||||||||||
- | - | - | - | - | - | 149 | -24 | 172 | - | - | -175 | 478 |