Note 6 - Other Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2013

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Other accrued liabilities at December 31, 2013 and 2012 include the following	December 31, 2013		December 31, 2012
Amounts due to Contract Research Organizations and other contractual agreements	$	1,711,934	$	827,989
Accrued payroll and related benefits		900,434		338,365
Accrued professional fees		63,500		37,400
Other		31,785		51,225
Total	$	2,707,653	$	1,254,979