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, 2018

Corporate debt securities, available for sale

$

14,257,998

$

─

$

14,257,998

$

─

Recurring items as of December 31, 2017

Corporate debt securities, available for sale

$

12,724,020

$

─

$

12,724,020

$

─

Liabilities:

Recurring items as of December 31, 2018

Earn-out milestone liability (Note 12)

$

8,907,664

$

─

$

─

$

8,907,664

Non-recurring items as of December 31, 2018

In process R&D (Note 5)

$

15,736,491

$

─

$

─

$

15,736,491

Recurring items as of December 31, 2017

Earn-out milestone liability (Note 12)

$

12,538,525

$

─

$

─

$

12,538,525

Non-recurring items as of December 31, 2017

In process R&D (Note 5)

$

20,246,491

$

─

$

─

$

20,246,491