Note 9 - Accrued Liabilities

9 Months Ended

Sep. 30, 2014

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

Note 9. Accrued Liabilities

Accrued liabilities at September 30, 2014 and December 31, 2013 include the following:  

	September 30, 2014		December 31, 2013
Amounts due to contract research organizations and other contractual agreements	$	760,174	$	1,711,934
Accrued payroll and related benefits		651,725		900,434
Accrued professional fees		249,500		63,500
Accrued interest on notes payable		93,750		─
Other		20,000		31,785
Total accrued liabilities	$	1,775,149	$	2,707,653