Note 7 - Other Accrued Liabilities

6 Months Ended

Jun. 30, 2013

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

Note 7.  Other Accrued Liabilities

Accrued liabilities at June 30, 2013 and December 31, 2012 include the following:

	June 30, 2013		December 31, 2012
Amounts due to contract research organizations and other contractual agreements	$	1,196,312	$	827,989
Accrued payroll and related benefits		450,790		338,365
Accrued professional fees		56,400		37,400
Accrued interest on notes payable		46,120		-
Other		33,345		51,225
Total	$	1,782,967	$	1,254,979