| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Dec'17 |
|---|---|---|---|---|---|---|---|---|
Assets | ||||||||
Current assets: | ||||||||
Cash and cash equivalents | ||||||||
15,047 | 29,395 | 44,278 | 46,285 | 49,264 | 52,700 | 60,779 | 130,804 | 58,250 |
Debt Securities, Available-for-sale | ||||||||
- | - | 0 | 14,714 | - | - | - | - | - |
Marketable securities | ||||||||
- | - | - | - | 32,000 | 50,611 | 60,962 | 7,829 | 21,475 |
Prepaid expenses and other current assets | ||||||||
1,962 | 1,848 | 2,036 | 1,998 | 2,349 | 2,116 | 2,269 | 1,559 | 1,581 |
Total current assets | ||||||||
17,009 | 31,243 | 46,314 | 62,997 | 83,613 | 105,427 | 124,010 | 140,192 | 81,306 |
Operating lease, right-of-use assets | ||||||||
7,228 | 7,542 | 7,848 | 8,148 | 8,441 | - | - | - | - |
Property, Plant and Equipment, Net | ||||||||
6,694 | 7,109 | 7,670 | 8,046 | 8,488 | 8,205 | 7,962 | 7,614 | 6,888 |
Deferred offering costs | ||||||||
- | - | - | - | - | - | - | - | 1,567 |
Other long-term assets | ||||||||
471 | 478 | 485 | 491 | 498 | 456 | 607 | 607 | 732 |
Total assets | ||||||||
31,402 | 46,372 | 62,317 | 79,682 | 101,040 | 114,088 | 132,579 | 148,413 | 90,493 |
Liabilities and Stockholders’ Equity | ||||||||
Current liabilities: | ||||||||
Accounts payable | ||||||||
3,043 | 1,702 | 1,935 | 2,751 | 4,112 | 4,268 | 2,742 | 1,168 | 2,166 |
Accrued Liabilities, Current | ||||||||
6,437 | 7,464 | 6,968 | 6,371 | 6,237 | 8,422 | 6,809 | 7,962 | 6,601 |
Operating lease liabilities, current | ||||||||
1,287 | 1,241 | 1,196 | 1,153 | 1,110 | - | - | - | - |
Total current liabilities | ||||||||
10,767 | 10,407 | 10,099 | 10,275 | 11,459 | 12,690 | 9,551 | 9,130 | 8,767 |
Operating lease liabilities, net of current portion | ||||||||
6,200 | 6,542 | 6,875 | 7,185 | 7,488 | - | - | - | - |
Other liabilities | ||||||||
4 | 6 | 9 | 16 | 22 | 149 | 121 | 35 | 48 |
Total liabilities | ||||||||
16,971 | 16,955 | 16,983 | 17,476 | 18,969 | 12,839 | 9,672 | 9,165 | 8,815 |
Commitments and contingencies (Note 8) | ||||||||
- | - | - | - | - | - | 0 | 0 | - |
Temporary Equity, Carrying Amount, Attributable to Parent | ||||||||
- | - | - | - | - | - | - | - | 175,250 |
Stockholders’ equity: | ||||||||
Common stock, $0.001 par value; 150,000,000 shares authorized as of March 31, 2020 and December 31, 2019; 28,963,858 and 28,729,725 shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively | ||||||||
29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 3 |
Additional paid-in capital | ||||||||
284,538 | 282,926 | 281,004 | 278,896 | 276,837 | 275,058 | 273,542 | 271,470 | 0 |
Accumulated other comprehensive loss | ||||||||
- | - | 0 | 0 | -8 | -75 | -24 | -2 | -13 |
Retained Earnings (Accumulated Deficit) | ||||||||
-270,100 | -253,538 | -235,698 | -216,718 | -194,786 | -173,762 | -150,639 | -132,248 | -93,600 |
Stockholders' Equity Attributable to Parent | ||||||||
14,431 | 29,417 | 45,334 | 62,206 | 82,071 | 101,249 | 122,907 | 139,248 | -93,572 |
Total liabilities and stockholders’ equity | ||||||||
31,402 | 46,372 | 62,317 | 79,682 | 101,040 | 114,088 | 132,579 | 148,413 | 90,493 |
Redeemable convertible preferred stock (Series A and B) | ||||||||
Temporary Equity, Carrying Amount, Attributable to Parent | ||||||||
- | - | - | - | - | - | - | - | 174,895 |
Contingently redeemable restricted common stock | ||||||||
Temporary Equity, Carrying Amount, Attributable to Parent | ||||||||
- | - | - | - | - | - | - | - | 355 |