Note 14 - Restructuring Credits (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013
Note 14 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges			$ 2,500,000
Restructuring Credit	196,084	196,084		442,869
Non-Cash Termination And Impairment Of IPR&D [Member]
Note 14 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges			1,200,000
Noncash Disposal of Property and Equipment [Member]
Note 14 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges			300,000
Disposal of inventory [Member]
Note 14 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges			$ 100,000