| 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 | ||||||||
-10,012 | -9,579 | -9,148 | -8,718 | -7,642 | -5,782 | -5,663 | -6,775 | -4,947 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation and amortization | ||||||||
362 | 340 | 333 | 325 | 303 | 204 | 205 | 194 | 87 |
Stock-based compensation | ||||||||
1,173 | 1,007 | 1,090 | 1,009 | 901 | 449 | 430 | 988 | 126 |
Amortization of premiums and discounts on marketable securities | ||||||||
96 | 83 | 201 | 336 | 359 | - | - | - | - |
Loss on disposal of property and equipment | ||||||||
- | - | - | - | - | -9 | 0 | 0 | -97 |
Changes in operating assets and liabilities | ||||||||
Prepaid expenses, other current assets and other long-term assets | ||||||||
256 | - | 747 | 158 | 282 | - | 323 | 308 | 641 |
Accounts payable, accrued liabilities and other current liabilities | ||||||||
739 | - | - | - | 560 | - | - | - | - |
Other assets | ||||||||
- | - | - | - | - | - | - | -22 | -39 |
Accounts payable and accrued liabilities | ||||||||
- | - | - | - | - | - | - | -480 | 1,028 |
Other liabilities, current | ||||||||
- | - | - | - | - | - | - | -157 | 149 |
Deferred rent | ||||||||
- | - | - | - | - | 79 | 79 | 433 | -296 |
Operating lease liabilities | ||||||||
211 | - | 197 | 193 | 181 | - | - | - | - |
Net cash used in operating activities | ||||||||
-8,301 | -7,210 | -8,255 | -7,712 | -6,700 | -5,473 | -4,604 | -6,949 | -3,766 |
Cash flows from investing activities: | ||||||||
Purchases of property and equipment | ||||||||
93 | 18 | 66 | 489 | 34 | 117 | 88 | 720 | 195 |
Purchases of marketable securities | ||||||||
72,518 | 15,684 | 27,316 | 23,319 | 35,936 | - | - | - | - |
Maturities of marketable securities | ||||||||
33,281 | 17,380 | 43,005 | 25,950 | 36,946 | - | - | - | - |
Net cash (used in) provided by investing activities | ||||||||
-39,330 | 1,678 | 15,623 | 2,142 | 976 | -9,916 | -56,671 | -17,122 | -195 |
Cash flows from financing activities: | ||||||||
Proceeds from sale of common stock and pre-funded warrants in underwritten offering, net of offering costs | ||||||||
53,365 | - | - | - | - | - | - | - | - |
Proceeds from issuance of common stock under employee stock incentive plans | ||||||||
3 | - | - | - | 4 | - | - | - | - |
Proceeds from the exercise of stock options | ||||||||
- | - | - | - | - | - | - | 188 | 25 |
Net cash provided by financing activities | ||||||||
53,368 | 80 | 8 | 180 | 4 | 5 | -1,087 | 78,970 | 25 |
Effect of exchange rate changes on cash and cash equivalents | ||||||||
-117 | 38 | -42 | -49 | 8 | -28 | -17 | -24 | -12 |
Net increase (decrease) in cash and cash equivalents | ||||||||
5,620 | -5,414 | 7,334 | -5,439 | -5,712 | -15,412 | -62,379 | 54,875 | -3,948 |
Supplemental disclosures of noncash investing and financing information: | ||||||||
Reclassification of employee stock liability to equity upon vesting | ||||||||
10 | 13 | 12 | 13 | 12 | 40 | 5 | 7 | 17 |
Addition of tenant improvement paid by landlord | ||||||||
- | - | - | - | - | 0 | 0 | 649 | 2,054 |
Purchase of property and equipment in accounts payable | ||||||||
- | - | -6 | -400 | 423 | 31 | -28 | 14 | 21 |
Unpaid offering costs in accrued liabilities | ||||||||
5 | - | - | - | - | - | - | - | - |
Deferred offering costs in accrued liabilities | ||||||||
- | - | - | - | - | - | - | -159 | 1,300 |