Note 6 - Other Accrued Liabilities

12 Months Ended

Dec. 31, 2013

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

6. OTHER ACCRUED LIABILITIES 

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