Note 13 - Restructuring Credits (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2012
Note 13 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges			$ 2,500,000
Restructuring Charges	(135,607)	(135,607)
Non-Cash Termination And Impairment Of IPR&D [Member]
Note 13 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges			1,200,000
Noncash disposal of property and equipment [Member]
Note 13 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges			300,000
Disposal of inventory [Member]
Note 13 - Restructuring Credits (Details) [Line Items]
Restructuring Costs and Asset Impairment Charges			$ 100,000