| Assets and liabilities measured at fair value on a recurring basis |
| September 30, 2019 |
|
Level 1 |
|
|
Total |
|
| Assets |
|
|
|
|
|
|
| Cash equivalents(1) |
|
$ |
4,383,836 |
|
|
$ |
4,383,836 |
|
| Total |
|
$ |
4,383,836 |
|
|
$ |
4,383,836 |
|
| December 31, 2018 |
|
Level 1 |
|
|
Total |
|
| Assets |
|
|
|
|
|
|
| Cash equivalents(1) |
|
$ |
6,788,333 |
|
|
$ |
6,788,333 |
|
| Total |
|
$ |
6,788,333 |
|
|
$ |
6,788,333 |
|
|
| December 31, 2018 |
|
Level 1 |
|
Level 2 |
|
Total |
| |
Assets |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Cash equivalents(1) |
|
|
$ |
6,788,333 |
|
|
$ |
— |
|
|
$ |
6,788,333 |
|
| |
Total |
|
|
$ |
6,788,333 |
|
|
$ |
— |
|
|
$ |
6,788,333 |
|
| (1) |
Cash equivalents represent the fair value of the Company’s investments in a money market account at December 31, 2018. |
|
|
|
| December 31, 2017 |
|
Level 1 |
|
Level 2 |
|
Total |
| |
Assets |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Cash equivalents(1) |
|
|
$ |
8,872,982 |
|
|
$ |
— |
|
|
$ |
8,872,982 |
|
| |
Restricted cash(2) |
|
|
|
31 |
|
|
|
800,000 |
|
|
|
800,031 |
|
| |
Total |
|
|
$ |
8,873,013 |
|
|
$ |
800,000 |
|
|
$ |
9,673,013 |
|
(1) Cash equivalents represent the fair value of the Company’s
investments in two money market accounts at December 31, 2017.
| (2) |
Restricted cash represents the fair value of the Company’s investments in an $800,000 certificate of deposit and $31 in a money market account at December 31, 2017. |
|