| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 |
|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||||
Net Loss | ||||||||
-17,176 | -12,379 | -9,858 | -9,062 | -5,681 | -3,470 | -2,521 | -3,108 | -3,377 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Non-cash interest expense related to convertible promissory notes | ||||||||
- | - | - | - | - | 1 | 0 | 103 | 159 |
Non-cash rent expense | ||||||||
92 | - | - | - | 92 | - | - | - | - |
Stock based compensation | ||||||||
1,955 | 577 | 912 | 377 | 190 | 108 | 20 | 14 | 13 |
Depreciation and amortization | ||||||||
83 | 76 | 59 | 34 | 19 | 24 | 10 | 9 | 8 |
Amortization of (discount) premium on available for sale investments | ||||||||
-56 | - | - | - | 171 | - | - | - | - |
Accretion of discount on convertible promissory notes payable | ||||||||
- | - | - | - | - | 0 | 0 | 254 | 440 |
Change in fair value of derivative liability | ||||||||
- | - | - | - | - | 0 | 0 | -188 | -18 |
Changes in operating assets and liabilities: | ||||||||
Prepaid expenses and other current assets | ||||||||
-49 | 2,043 | -1,234 | 887 | 3,628 | 710 | -285 | 185 | 80 |
Other assets | ||||||||
- | -46 | 3 | 0 | 250 | - | - | - | - |
Accounts payable | ||||||||
1,879 | 780 | -2,821 | 3,170 | 1,451 | -73 | 197 | -65 | -82 |
Accrued expenses and other current liabilities | ||||||||
2,283 | 1,985 | 1,923 | 185 | 762 | 234 | 145 | 170 | -276 |
Net cash used in operating activities | ||||||||
-10,779 | -10,950 | -8,796 | -6,315 | -7,216 | -3,973 | -1,925 | -2,620 | -3,177 |
Cash flow from investing activities: | ||||||||
Purchase of investments | ||||||||
95,543 | 36,940 | 9,882 | 63,008 | 25,585 | - | - | - | - |
Proceeds from maturities of investments | ||||||||
22,867 | 54,653 | 19,130 | 15,140 | 28,800 | - | - | - | - |
Purchase of property and equipment | ||||||||
5 | 9 | 26 | -31 | 51 | - | - | - | - |
Net cash (used in) provided by investing activities | ||||||||
-72,681 | 17,704 | 9,222 | -47,837 | 3,164 | - | - | - | - |
Cash flows from financing activities: | ||||||||
Payments of finance leases | ||||||||
29 | - | - | - | - | - | - | - | - |
Proceeds from issuance of convertible promissory note payable | ||||||||
- | - | - | - | - | 0 | 0 | 0 | 250 |
Proceeds from issuance of common stock upon exercise of stock options | ||||||||
191 | 28 | 0 | 5 | 64 | - | - | - | - |
Proceeds from private placement offering, net of issuance costs | ||||||||
117,690 | - | - | - | - | - | - | - | - |
Deferred Series B redeemable convertible preferred stock offering costs | ||||||||
- | - | - | - | - | - | - | - | 12 |
Net cash provided by financing activities | ||||||||
117,852 | -530 | 0 | 77,832 | 64 | -10 | 0 | 75,700 | 238 |
Net change in cash and cash equivalents | ||||||||
34,392 | 6,224 | 426 | 23,680 | -3,988 | -2,422 | -50,226 | 73,066 | -2,939 |
Supplemental disclosures of non-cash information: | ||||||||
Right-of-use assets obtained in exchange for new operating lease liabilities | ||||||||
122 | - | - | - | 815 | - | - | - | - |