Note 10 - Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2015

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30, 2015		December 31, 2014
Compensation and related expenses	$	2,806,699	$	2,791,935
Facility construction costs		2,073,561		-
Professional fees		524,938		553,630
Clinical trial costs		240,987		508,042
Research grants		393,085		539,053
Other		508,505		354,866
Total	$	6,547,775	$	4,747,526