Total Fair Value

Quoted Prices
in Active Markets
for Identical
Assets/Liabilities (Level 1)

Significant Other
Observable Inputs

(Level 2)

Significant
Unobservable
Inputs

(Level 3)

Assets:

Recurring items as of December 31, 2022

Corporate debt securities, available for sale

$

21,254,485

$

–

$

–

$

21,254,485

Non-recurring items as of December 31, 2022

In-process R&D (Note 6)

$

–

$

–

$

–

$

–

Recurring items as of December 31, 2021

Corporate debt securities and U.S. treasury obligations, available for sale

$

29,803,095

$

–

$

–

$

29,803,095

Non-recurring items as of December 31, 2021

In-process R&D (Note 6)

$

13,366,234

$

–

$

–

$

13,366,234

Liabilities:

Recurring items as of December 31, 2022

Earn-out milestone liability (Note 13)

$

–

$

–

$

–

$

–

Recurring items as of December 31, 2021

Earn-out milestone liability (Note 13)

$

5,396,000

$

–

$

–

$

5,396,000