| Cash and Cash Equivalents |
3. Cash
and Cash Equivalents
| Schedule of Cash and Cash Equivalents | |
| | | |
| | |
| | |
Year ended December 31 | |
| | |
2022 | | |
2021 | |
| Cash and cash equivalents | |
| | | |
| | |
| Cash and money market funds | |
$ | 917,400 | | |
$ | 1,846,700 | |
| U.S. Treasury Bills | |
| 4,420,400 | | |
| — | |
| Cash and
cash equivalents | |
$ | 5,337,800 | | |
$ | 1,846,700 | |
The amortized cost and fair value of securities held
to maturity at December 31, 2022 are as follows:
| Schedule of amortized cost and fair value of securities held to maturity | |
| | | |
| | |
| | |
Amortized Cost | | |
Fair Value | |
| U.S. Treasury Bills | |
| | | |
| | |
| Due January 19, 2023 | |
$ | 1,122,600 | | |
$ | 1,123,200 | |
| Due April 20, 2023 | |
| 1,110,300 | | |
| 1,110,300 | |
| Due July 13, 2023 | |
| 1,100,300 | | |
| 1,098,300 | |
| Due October 5, 2023 | |
| 1,087,200 | | |
| 1,087,000 | |
| Total | |
$ | 4,420,400 | | |
$ | 4,418,800 | |
|