Fair Value Measurements as of March 31, 2023 Using:

Level 1

Level 2

Level 3

Total

Cash equivalents:

   Money market funds

$

2,195,192

$

—

$

—

$

2,195,192

Total

$

2,195,192

$

—

$

—

$

2,195,192

Marketable securities, available-for-sale:

   U.S. treasury obligations

$

21,761,564

$

—

$

—

$

21,761,564

Total

$

21,761,564

$

—

$

—

$

21,761,564