Note 10 - Income Taxes (Details) (USD $)			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Exercise of Disqualifying Stock Options [Member]
Note 10 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Gross	$ 19,801,000	$ 20,344,000
Deferred Tax Assets, Operating Loss Carryforwards	12,074,000	14,491,000
Operating Loss Carryforwards	34,000,000
Deferred Tax Expense from Stock Options Exercised			1,300,000
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration		5,600,000
Undistributed Earnings of Foreign Subsidiaries	$ 900,000