Note 6 - Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	March 31, 2014		December 31, 2013
Accrued expenses	$	1,015,169	$	1,539,269
Accrued bonuses		1,304,131		1,108,000
Accrued employee benefits		616,111		492,496
Accrued restructuring costs		202,085		122,562
Accrued liabilities	$	3,137,496	$	3,262,327