2016

2015

Contribution payable to the University of Pittsburgh, in quarterly installments of $9,375, through July 2016

$

-

$

28,125

Contract payable to Dr. Jorg Gerlach in connection with the APA. $50,000 was due on December 31, 2016 and $100,000 is due on December 31, 2017

150,000

200,000

Contract for option agreement purchase

-

6,000

Total

150,000

234,125

Less: current portion

(150,000

)

(134,125

)

Long-term portion

$

-

$

100,000