Note 11 - Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Note 11 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	$ 1,410,000	$ 903,000
Operating Loss Carryforwards	67,207,600
Unrecognized Tax Benefits	0	0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	0	0
U.S. Federal Tax Authority [Member] | Research Tax Credit Carryforward [Member]
Note 11 - Income Taxes (Details) [Line Items]
Tax Credit Carryforward, Amount	752,000
State and Local Jurisdiction [Member] | Research Tax Credit Carryforward [Member]
Note 11 - Income Taxes (Details) [Line Items]
Tax Credit Carryforward, Amount	460,000
Foreign Tax Authority [Member]
Note 11 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	$ 752,000
Foreign Tax Authority [Member] | Minimum [Member]
Note 11 - Income Taxes (Details) [Line Items]
Open Tax Year	2000
Foreign Tax Authority [Member] | Maximum [Member]
Note 11 - Income Taxes (Details) [Line Items]
Open Tax Year	2009
Domestic Tax Authority [Member] | Minimum [Member]
Note 11 - Income Taxes (Details) [Line Items]
Open Tax Year	2007
Domestic Tax Authority [Member] | Maximum [Member]
Note 11 - Income Taxes (Details) [Line Items]
Open Tax Year	2013