| 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 | ||||||||
-14,710 | -13,778 | -14,790 | -12,131 | -16,711 | -14,093 | -14,181 | -13,335 | -11,672 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||
Depreciation and amortization expense | ||||||||
108 | 155 | 112 | 116 | 117 | 164 | 120 | 113 | 103 |
Stock-based compensation expense | ||||||||
2,331 | 2,070 | 2,641 | 2,325 | 2,000 | 1,334 | 720 | 740 | 524 |
Changes in operating assets and liabilities: | ||||||||
Prepaid expenses and other assets | ||||||||
-1,470 | 1,603 | 1,033 | 797 | -267 | 616 | 798 | -263 | -891 |
Accounts receivable | ||||||||
375 | -17 | 10 | 35 | -162 | -15 | -434 | -814 | 904 |
Accounts payable | ||||||||
134 | -222 | 926 | -512 | -553 | 681 | -372 | -919 | 1,028 |
Accrued expenses and other liabilities | ||||||||
-511 | -2,057 | 1,457 | -753 | 575 | -2,425 | 1,822 | 1,550 | 594 |
Net cash used in operating activities | ||||||||
-11,553 | -15,460 | -10,697 | -11,787 | -14,143 | -14,983 | -12,255 | -10,774 | -9,436 |
Cash flows from investing activities: | ||||||||
Purchases of property and equipment | ||||||||
11 | - | - | - | - | 16 | 69 | 276 | 46 |
Net cash used in investing activities | ||||||||
-11 | - | - | - | - | -16 | -69 | -276 | -46 |
Cash flows from financing activities: | ||||||||
Payment of deferred issuance costs associated with Series B convertible preferred stock financing | ||||||||
- | - | - | - | - | 0 | 0 | 0 | 232 |
Proceeds from stock options exercised | ||||||||
244 | 92 | 31 | 165 | 86 | - | - | - | - |
Proceeds from public offering, net of underwriters' discounts | ||||||||
33,672 | - | - | - | - | - | - | - | - |
Payment of offering costs | ||||||||
181 | - | - | - | - | 41 | 1,172 | 1,727 | 72 |
Net cash provided by financing activities | ||||||||
33,735 | 91 | -126 | 141 | 86 | 58 | -1,170 | 107,790 | -304 |
Net increase (decrease) in cash, cash equivalents and restricted cash | ||||||||
22,171 | -15,365 | -10,823 | -11,689 | -14,057 | -14,941 | -13,494 | 96,740 | -9,786 |
Supplemental disclosure of non-cash investing and financing activities: | ||||||||
Offering costs not yet paid | ||||||||
148 | - | - | - | - | - | -1,062 | -69 | 1,172 |
Property and equipment in accounts payable | ||||||||
25 | - | - | - | - | - | - | - | 93 |