Note 6 - Accrued Liabilities (Details) - Accrued Liabilities (USD $)	Mar. 31, 2014	Dec. 31, 2013
Accrued Liabilities [Abstract]
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