Note 7 - Other Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2013

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	September 30, 2013		December 31, 2012
Amounts due to contract research organizations and other contractual agreements	$	1,124,285	$	827,989
Accrued payroll and related benefits		145,231		338,365
Accrued professional fees		49,500		37,400
Accrued interest on notes payable		41,759	─
Other		33,345		51,225
Total	$	1,394,120	$	1,254,979