| Schedule of cash equivalents and marketable securities |
| Schedule of cash equivalents and marketable securities | |
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Reported As | |
| Assets | |
Pricing Category | |
Amortized Cost | | |
Unrealized Gain | | |
Unrealized Loss | | |
Fair Value | | |
Cash Equivalents | | |
Marketable Securities | |
| Money Market Funds | |
Level 1 | |
| 218,396 | | |
| — | | |
| — | | |
| 218,396 | | |
| 218,396 | | |
| — | |
| U.S. Treasury Securities | |
Level 2 | |
| 51,843,362 | | |
| — | | |
| (32,488 | ) | |
| 51,810,874 | | |
| 16,942,860 | | |
| 34,868,014 | |
| U.S. Agency Securities | |
Level 2 | |
| 17,828,933 | | |
| — | | |
| (16,413 | ) | |
| 17,812,520 | | |
| 3,978,720 | | |
| 13,833,800 | |
| Total | |
| |
| 69,890,691 | | |
| — | | |
| (48,901 | ) | |
| 69,841,790 | | |
| 21,139,976 | | |
| 48,701,814 | |
|