Note 9 - Accrued Liabilities

6 Months Ended

Jun. 30, 2016

Notes to Financial Statements

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

Note 9.  Accrued Liabilities

Other accrued liabilities at June 30, 2016 and December 31, 2015 include the following:

	June 30, 2016		December 31, 2015
Amounts due to contract research organizations and other contractual agreements	$	1,043,584	$	571,615
Accrued payroll and related benefits		878,984		947,078
Accrued professional fees		394,500		319,200
Accrued interest on notes payable		41,736		62,136
Other		19,740		19,740
Total	$	2,378,544	$	1,919,769