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Note 7 - Commitments
 9 Months Ended
Sep. 30, 2017
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, 2018,
with an additional
12
-month renewal option. As of
September 30, 2017,
our future minimum lease payments total
$194,543,
$37,998
of which will be payable during
2017
and
$156,545
in
2018.
 
Other
Commitments
 
In the normal course of business, we
may
enter into various firm purchase commitments related to
production and testing of our vaccine products, conduct of our clinical trials, and other research-related activities. As of
September 30, 2017,
we had approximately
$79,000
of unrecorded outstanding purchase commitments to our vendors and subcontractors, which we expect will be paid during
2017.
We expect this entire amount to be reimbursable to us pursuant to currently outstanding government grants (See Note
10
).