Note 9 - Accrued Liabilities

3 Months Ended

Mar. 31, 2017

Notes to Financial Statements

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

Note

9.

  Accrued Liabilities

Other accrued liabilities at

March

31,

2017

and

December

31,

2016

include the following:

	March 31, 2017		December 31, 2016
Amounts due to contract research organizations and other contractual agreements	$	958,270	$	1,115,193
Accrued payroll and related benefits		1,676,035		1,066,751
Accrued professional fees		153,950		259,550
Accrued interest on notes payable		11,530		22,241
Other		20,021		20,021
Total	$	2,819,806	$	2,483,756