| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Operating activities | ||||||||||||
Net loss | ||||||||||||
-2,911 | -3,096 | -6,536 | -5,734 | -15,404 | -21,638 | -23,872 | -20,701 | -16,607 | - | - | - | - |
Net loss | ||||||||||||
- | - | - | - | - | - | - | - | - | - | -18,336 | -13,773 | -10,373 |
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||||||
Depreciation | ||||||||||||
45 | 51 | 53 | 54 | 53 | 48 | 47 | 47 | 47 | 47 | 48 | 57 | 30 |
Share-based compensation expense | ||||||||||||
1,001 | 1,139 | 970 | 1,256 | 1,247 | 1,162 | 1,286 | 1,199 | 1,138 | 944 | 889 | 779 | 752 |
Non-cash interest expense | ||||||||||||
10 | 22 | 48 | 47 | 46 | 47 | 47 | 11 | 49 | 52 | 54 | 53 | 52 |
Accretion of debt discount | ||||||||||||
21 | 21 | 15 | 16 | 15 | 17 | 16 | 30 | 49 | 54 | 53 | 52 | 53 |
Amortization and accretion on available-for-sale investments, net | ||||||||||||
- | 0 | 0 | 12 | 103 | 234 | 270 | 201 | 43 | 37 | 24 | -12 | -18 |
Changes in operating assets and liabilities: | ||||||||||||
Prepaid expenses and other current assets | ||||||||||||
-49 | 1,129 | -224 | 1,189 | -1,536 | -1,181 | 856 | 217 | 613 | 708 | -114 | -2,066 | 2,305 |
Other assets and liabilities | ||||||||||||
-68 | - | - | - | 29 | - | - | - | - | - | - | - | - |
Other assets and liabilities | ||||||||||||
- | - | - | - | - | - | - | 62 | -12 | - | - | - | - |
Other assets | ||||||||||||
- | - | - | - | - | - | - | - | - | - | 13 | -14 | 62 |
Accounts payable and accrued liabilities | ||||||||||||
-1,086 | 83 | -963 | -4,688 | -14 | -4,868 | 3,914 | 299 | 341 | 1,021 | 3,708 | -886 | 872 |
Deferred revenue | ||||||||||||
- | - | - | - | - | - | - | - | - | - | -5 | -5 | -5 |
Deferred rent | ||||||||||||
- | - | - | - | - | - | - | - | -26 | - | 51 | 80 | -10 |
Net cash used in operating activities | ||||||||||||
-2,803 | 1,689 | -6,047 | -10,057 | -12,653 | -24,259 | -19,719 | -19,569 | -15,653 | - | - | - | - |
Investing activities | ||||||||||||
Maturities of available-for-sale investments | ||||||||||||
- | 0 | 0 | 2,000 | 30,950 | 16,500 | 28,100 | 10,900 | 20,970 | 15,461 | 28,072 | 18,035 | 6,975 |
Net cash used in operating activities | ||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | -10,978 |
Purchase of available-for-sale investments | ||||||||||||
- | - | - | - | - | - | - | - | 8,725 | - | 15,011 | 12,947 | 12,656 |
Acquisition of property and equipment | ||||||||||||
55 | 0 | 0 | 7 | 18 | - | - | - | - | 0 | -13 | 10 | 309 |
Net cash (used in) provided by investing activities | ||||||||||||
-55 | 0 | 0 | 1,993 | 30,932 | 16,441 | 375 | -32,821 | 12,245 | - | - | - | - |
Financing activities | ||||||||||||
Proceeds from at-the-market sales agreement, net of issuance costs | ||||||||||||
1,193 | - | - | - | 6,627 | - | - | - | - | - | - | - | - |
Net cash provided by (used in) investing activities | ||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | -5,990 |
Proceeds from follow-on public offering, net of issuance costs | ||||||||||||
- | - | - | - | - | - | 0 | 0 | 79,581 | - | 0 | 0 | 5,057 |
Proceeds from exercise of stock options | ||||||||||||
- | 1 | 5 | 0 | 1 | 32 | 0 | 196 | 237 | 43 | 1 | 119 | 76 |
Principal payments made on long-term debt | ||||||||||||
- | - | - | - | - | 0 | 0 | 7,500 | 800 | - | - | - | - |
Net cash provided by financing activities | ||||||||||||
1,193 | -1,645 | 2,424 | 1,288 | 6,628 | 20 | 0 | 2,741 | 79,018 | - | - | - | - |
Net cash provided by financing activities | ||||||||||||
- | - | - | - | - | - | - | - | - | - | - | - | 5,133 |
Net (decrease) increase in cash, cash equivalents and restricted cash | ||||||||||||
-1,665 | 44 | -3,623 | -6,776 | 24,907 | -7,798 | -19,344 | -49,649 | 75,610 | -7,065 | -386 | -6,314 | -11,835 |
Supplemental disclosure | ||||||||||||
Tenant improvements paid by landlord | ||||||||||||
- | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 637 |