Note 7 - Income Taxes (Details) (USD $)				9 Months Ended			9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Expiring 2012-2030 [Member]	Sep. 30, 2013 Minimum State Tax Statute of Limitations [Member]	Sep. 30, 2013 Maximum State Tax Statute of Limitations [Member]	Sep. 30, 2013 Unrecorded Deferred Tax Asset, Exercise of Disqualifying Stock Options [Member]	Sep. 30, 2013 Maximum [Member]
Note 7 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Gross (in Dollars)	$ 21,538,000	$ 20,344,000				$ 1,000,000
Deferred Tax Assets, Net of Valuation Allowance (in Dollars)	309,000
Operating Loss Carryforwards (in Dollars)			$ 40,000,000
Other Information Pertaining to Income Taxes				four	six		ten