| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | ||
|---|---|---|---|---|---|---|
Cash flows from operating activities | ||||||
Net loss | ||||||
-8,658 | -7,774 | -9,038 | -15,140 | -12,005 | ||
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||
Stock-based compensation expense | ||||||
1,634 | 981 | 1,642 | 6,841 | 3,104 | ||
Non-cash interest income | ||||||
462 | 473 | 505 | 265 | 17 | ||
Non-cash interest income, net (Note 4) | ||||||
- | 0 | 0 | 0 | 11 | ||
Accretion of debt discount (Note 4) | ||||||
- | 0 | 0 | 522 | 423 | ||
Change in fair value of derivative liability (Note 4) | ||||||
- | 0 | 0 | 0 | -135 | ||
Depreciation and amortization expense | ||||||
21 | 21 | 15 | 12 | 10 | ||
Changes in operating assets and liabilities: | ||||||
Prepaid expenses and other current assets | ||||||
-132 | 986 | 606 | 1,486 | -1,478 | ||
Right-of-use assets | ||||||
-121 | - | - | - | - | ||
Accounts payable | ||||||
24 | 389 | -364 | -332 | 585 | ||
Accrued expenses | ||||||
-1,051 | 1,034 | 454 | 253 | 74 | ||
Deferred lease obligation | ||||||
- | -12 | -14 | 22 | 110 | ||
Operating lease liability | ||||||
-102 | - | - | - | - | ||
Net cash used in operating activities | ||||||
-8,341 | -6,820 | -8,416 | -9,573 | -6,114 | ||
Cash flows from investing activities | ||||||
Purchases of short-term investments | ||||||
70,350 | - | - | - | - | ||
Maturities of short-term investments | ||||||
60,000 | 20,000 | 25,000 | 0 | 5,000 | ||
Acquisition of property and equipment | ||||||
76 | 40 | 5 | 53 | 17 | ||
Net cash (used in) provided by investing activities | ||||||
-10,426 | -72,619 | -42,178 | -64,521 | 4,983 | ||
Cash flows from financing activities | ||||||
Proceeds from issuance of convertible notes | ||||||
- | 0 | 0 | 1,564 | 1,564 | ||
Proceeds from exercise of stock options | ||||||
517 | - | - | - | - | ||
Proceeds from exercise of warrant | ||||||
- | 0 | 0 | 0 | 58 | ||
Payment of deferred offering costs | ||||||
- | 0 | 1,210 | 1,102 | 97 | ||
Net cash provided by financing activities | ||||||
517 | 234,224 | 94,243 | 314 | 76,502 | ||
Net increase in cash, cash equivalents and restricted cash | ||||||
-18,250 | 154,785 | 43,649 | -73,780 | 75,371 | ||
Supplemental disclosures of cash flows information | ||||||
Lease liabilities arising from obtaining right-of-use assets | ||||||
2,851 | - | - | - | - | ||
Purchases of property and equipment included in accounts payable and accrued expenses | ||||||
121 | - | - | - | - | ||
Deferred offering costs included in accrued expenses | ||||||
34 | - | - | 304 | 529 | ||
Conversion of convertible notes, accrued interest and discount upon conversion to preferred stock | ||||||
- | 0 | 0 | 2,086 | 5,016 | ||
Series B Redeemable Convertible Preferred Stock | ||||||
Proceeds from issuance of Series B redeemable convertible preferred stock, net of issuance costs | ||||||
- | 0 | 0 | -152 | 74,977 | ||