Note 6 - Other Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Accrued Liabilities [Table Text Block]

	December 31, 2012		December 31, 2011
Amounts due to Contract Research Organizations and other contractual agreements	$	827,989	$	1,234,875
Accrued payroll and related benefits		338,365		632,425
Accrued professional fees		37,400		137,400
Other		51,225		27,234
Total	$	1,254,979	$	2,031,934