| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 |
|---|---|---|---|---|---|---|---|---|---|
Assets | |||||||||
Current assets: | |||||||||
Cash and cash equivalents | |||||||||
56,419 | 46,755 | 38,523 | 37,751 | 41,313 | 82,912 | 41,592 | 50,765 | 59,288 | 22,455 |
Marketable securities | |||||||||
33,665 | 58,406 | 73,281 | 88,539 | 98,861 | 75,923 | - | - | - | 40,854 |
Marketable securities | |||||||||
- | - | - | - | - | - | 131,783 | 134,789 | 34,534 | - |
Restricted cash | |||||||||
- | - | - | - | - | - | - | - | 85 | 85 |
Prepaid expenses and other current assets | |||||||||
3,209 | 2,765 | 2,504 | 3,240 | 4,689 | 5,766 | 4,538 | 8,434 | 7,323 | 7,936 |
Total current assets | |||||||||
93,293 | 107,926 | 114,308 | 129,530 | 144,863 | 164,601 | 177,913 | 193,988 | 101,230 | 71,330 |
Property and equipment, net | |||||||||
6,851 | 7,286 | 7,628 | 8,015 | 8,117 | 8,226 | 7,099 | 6,932 | 7,072 | 7,326 |
Operating lease right-of-use asset | |||||||||
29,310 | 14,858 | 15,807 | 16,094 | 16,381 | - | - | - | - | - |
Restricted cash | |||||||||
1,595 | 1,595 | 1,198 | 1,198 | 1,198 | 1,198 | 1,198 | 1,198 | 1,000 | 1,000 |
Deferred offering costs | |||||||||
- | - | - | - | - | - | - | - | 2,705 | 1,784 |
Other assets | |||||||||
166 | 28 | 35 | 11 | 49 | 40 | 68 | 15 | 9 | 14 |
Total assets | |||||||||
131,215 | 131,693 | 138,976 | 154,848 | 170,608 | 174,065 | 186,278 | 202,133 | 112,016 | 81,454 |
Liabilities and Stockholders’ Equity | |||||||||
Current liabilities: | |||||||||
Accounts payable | |||||||||
733 | 3,384 | 1,647 | 2,069 | 3,761 | 3,412 | 4,228 | 2,791 | 6,793 | 3,215 |
Accrued expenses and other current liabilities | |||||||||
7,545 | 8,012 | 8,433 | 7,925 | 5,502 | 8,803 | - | - | - | 9,843 |
Deferred revenue - related party | |||||||||
- | 4,916 | 4,236 | 3,572 | 2,433 | 14,610 | - | - | - | 9,837 |
Accrued expenses and other current liabilities | |||||||||
- | - | - | - | - | - | 7,298 | 6,968 | 4,771 | - |
Deferred revenue - related party | |||||||||
- | - | - | - | - | - | 15,760 | 14,367 | 12,127 | - |
Deferred rent | |||||||||
- | - | - | - | - | 352 | 352 | 485 | 485 | 489 |
Operating lease liability | |||||||||
5,101 | 2,962 | 1,257 | 1,203 | 1,151 | - | - | - | - | - |
Total current liabilities | |||||||||
13,379 | 19,274 | 15,573 | 14,769 | 12,847 | 27,177 | 27,638 | 24,611 | 24,176 | 23,384 |
Deferred revenue - related party, non-current | |||||||||
- | 33,676 | 34,795 | 35,803 | 37,085 | 39,342 | - | - | - | 72,268 |
Deferred revenue - related party, non-current | |||||||||
- | - | - | - | - | - | 47,957 | 51,081 | 55,747 | - |
Deferred rent, non-current | |||||||||
- | - | - | - | - | 4,684 | 4,663 | 4,480 | 4,544 | 4,599 |
Operating lease liability, non-current | |||||||||
29,885 | 16,968 | 19,623 | 19,954 | 20,283 | - | - | - | - | - |
Convertible note payable, non-current | |||||||||
5,285 | 5,109 | - | - | - | - | - | - | - | - |
Other liabilities | |||||||||
1,100 | - | - | - | - | - | - | - | - | - |
Total liabilities | |||||||||
49,649 | 75,027 | 69,991 | 70,526 | 70,215 | 71,203 | 80,258 | 80,172 | 84,467 | 100,251 |
Commitments and contingencies (Note 12) | |||||||||
- | - | - | - | - | - | 0 | 0 | 0 | - |
Redeemable convertible preferred stock (Series A and A-1), $0.0001 par value; no shares authorized, issued and outstanding at December 31, 2018 and 37,100,000 shares authorized, issued and outstanding at December 31, 2017 | |||||||||
- | - | - | - | - | - | - | - | 48,528 | 48,517 |
Stockholders’ equity: | |||||||||
Preferred stock, $0.0001 par value per share; 5,000,000 shares authorized at March 31, 2020 and December 31, 2019; no shares issued and outstanding at March 31, 2020 and December 31, 2019 | |||||||||
- | - | - | - | - | - | 0 | 0 | - | - |
Common stock, $0.0001 par value; 150,000,000 shares authorized at March 31, 2020 and December 31, 2019, respectively; 28,061,197 and 27,893,337 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively | |||||||||
3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | - | - |
Additional paid-in capital | |||||||||
180,418 | 178,155 | 174,485 | 172,908 | 171,390 | 169,784 | 168,278 | 167,040 | 8,314 | 6,877 |
Accumulated other comprehensive income | |||||||||
170 | 103 | 138 | 174 | 5 | -119 | -190 | -233 | -296 | -246 |
Accumulated deficit | |||||||||
-99,025 | -121,595 | -105,641 | -88,763 | -71,005 | -66,806 | -62,071 | -44,849 | -28,997 | -73,945 |
Total stockholders’ equity | |||||||||
81,566 | 56,666 | 68,985 | 84,322 | 100,393 | 102,862 | 106,020 | 121,961 | -20,979 | -67,314 |
Total liabilities and stockholders’ equity | |||||||||
131,215 | 131,693 | 138,976 | 154,848 | 170,608 | 174,065 | 186,278 | 202,133 | 112,016 | 81,454 |