Note 13 - Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 13 - Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit)	$ (110,000)	$ 92,000	$ (140,000)
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	3,800,000	7,300,000	3,000,000
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	12,500,000	10,300,000	3,100,000
Domestic Tax Authority [Member]
Note 13 - Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit)	0	0	0
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	78,100,000	69,900,000	70,300,000
State and Local Jurisdiction [Member]
Note 13 - Income Taxes (Details) [Line Items]
Income Tax Expense (Benefit)	0	0	0
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	$ 55,100,000	$ 45,400,000	$ 50,400,000