Note 5 - Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 5 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	$ 47,900,000
Deferred Tax Assets, Operating Loss Carryforwards	16,323,000	15,872,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	4,200,000
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount	117,000	(84,000)	81,000
Liability for Uncertain Tax Positions, Current	885,000	820,000
French Subsidiary [Member]
Note 5 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount	381,000
Foreign Tax Authority [Member]
Note 5 - Income Taxes (Details) [Line Items]
Liability for Uncertain Tax Positions, Current	80,000	80,000
FRANCE | Potential Liability [Member]
Note 5 - Income Taxes (Details) [Line Items]
Liability for Uncertain Tax Positions, Current	756,000	722,000
FRANCE | Possible Interest [Member]
Note 5 - Income Taxes (Details) [Line Items]
Liability for Uncertain Tax Positions, Current	102,000	72,000
FRANCE | Potential Penalty [Member]
Note 5 - Income Taxes (Details) [Line Items]
Liability for Uncertain Tax Positions, Current	27,000	26,000
FRANCE
Note 5 - Income Taxes (Details) [Line Items]
Liability for Uncertain Tax Positions, Current	885,000	820,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	885,000
Non-Qualified Option Deductions [Member]
Note 5 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards	$ 3,600,000