Note 7 - Other Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Accrued Liabilities [Table Text Block]

	March 31,  2013		December 31, 2012
Amounts due to Contract Research Organizations and other contractual agreements	$	801,696	$	827,989
Accrued payroll and related benefits		163,063		338,365
Accrued professional fees		78,900		37,400
Other		53,786		51,225
Total	$	1,097,445	$	1,254,979