| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | ||
|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||
Net loss | ||||||
-12,043 | -10,781 | -10,969 | -10,656 | -9,569 | ||
Adjustments to reconcile net loss to net cash used in operating activities | ||||||
Depreciation and amortization | ||||||
336 | 330 | 324 | 298 | 293 | ||
Net amortization of premiums and discounts on marketable securities | ||||||
-5 | 22 | 61 | 154 | 236 | ||
Stock-based compensation | ||||||
758 | 719 | 518 | 548 | 383 | ||
Loss on sale of property and equipment | ||||||
-2 | 0 | -11 | 0 | -3 | ||
Gain on sales of marketable securities | ||||||
2 | 1 | 0 | 6 | 1 | ||
Changes in assets and liabilities | ||||||
Prepaid expenses and other assets | ||||||
-1,097 | -108 | 328 | 1,592 | 151 | ||
Right-of-use assets | ||||||
-229 | -223 | -266 | -348 | -256 | ||
Accounts payable | ||||||
-36 | -42 | 36 | -431 | 242 | ||
Accrued and other liabilities | ||||||
384 | 1,030 | 55 | 1,672 | -727 | ||
Lease liabilities | ||||||
-275 | -270 | -402 | -299 | -278 | ||
Net cash used in operating activities | ||||||
-9,545 | -8,706 | -10,550 | -10,272 | -9,785 | ||
Cash flows from investing activities | ||||||
Purchases of property and equipment, net | ||||||
- | 216 | 82 | 449 | 606 | ||
Purchases of marketable securities | ||||||
11,253 | 1,887 | 47,659 | 19,132 | 19,326 | ||
Maturities of marketable securities | ||||||
22,159 | 5,990 | 49,444 | -21,246 | 39,340 | ||
Sales of marketable securities | ||||||
- | 0 | -40,144 | 52,238 | 6,000 | ||
Net cash provided by investing activities | ||||||
10,906 | 3,887 | -38,441 | 11,411 | 25,408 | ||
Cash flows from financing activities | ||||||
Proceeds from exercise of common stock options | ||||||
34 | 38 | 184 | 66 | 1 | ||
Payments of deferred offering costs | ||||||
- | - | - | - | 827 | ||
Net cash provided by (used in) financing activities | ||||||
34 | 38 | -276 | 51,674 | -826 | ||
Net increase in cash, cash equivalents and restricted cash | ||||||
1,395 | -4,781 | -49,267 | 52,813 | 14,797 | ||
Supplemental disclosure of cash flow information: | ||||||
Cash paid for income taxes | ||||||
1 | 0 | 0 | 0 | 1 | ||
Cash paid for interest | ||||||
21 | 22 | 45 | 0 | 24 | ||
Supplemental non-cash investing and financing activities: | ||||||
Unpaid deferred offering costs | ||||||
- | - | - | 88 | 375 | ||
Vesting of early exercised options and restricted stock | ||||||
16 | 26 | 17 | -3 | 74 | ||
Purchases of property and equipment in accounts payable and accrued liabilities | ||||||
33 | - | -31 | -439 | 481 | ||