Note 6 - Commitements

3 Months Ended

12 Months Ended

Mar. 31, 2017

Dec. 31, 2016

Notes to Financial Statements

Commitments Disclosure [Text Block]

7.

        Commitments

Lease Agreement

We lease approximately

8,400

square feet of office and laboratory space pursuant to an operating lease which expires on

December 31, 2017.

As of

March 31, 2017,

our future minimum lease payments total

$113,995

all of which will be payable during

2017.

Other

Commitments

In the normal course of business, we

may

enter into various firm purchase commitments related to production and testing of our vaccine material, conduct of our clinical trials, and other research-related activities. As of

March 31, 2017,

we had approximately

$225,159

of unrecorded outstanding purchase commitments to our vendors and subcontractors, which we expect will be due during

2017.

We expect this entire amount to be reimbursable to us pursuant to currently outstanding government grants (See Note

10

).

6

.          Commitments

Lease Agreements

We lease approximately

8,400

square feet of office and laboratory space pursuant to an operating lease which expires on

December 31, 2017.

Rent expense for the years ended

December 31, 2016,

2015

and

2014

was

$149,288,

$146,092,

and

$117,084,

respectively. Future minimum lease payments total

$151,993

in

2017.

Other Commitments

In the normal course of business, we

may

enter into various firm purchase commitments related to production and testing of our vaccine material, conduct of clinical trials, and other research-related activities. As of

December 31, 2016,

we had approximately

$305,371

of unrecorded outstanding purchase commitments to our vendors and subcontractors, all of which we expect will be due in

2017.

We expect this entire amount to be reimbursable to us pursuant to currently outstanding government grants.