Note 11 - Financial Instruments (Details)	6 Months Ended					3 Months Ended
	Jun. 30, 2013 USD ($)	Dec. 31, 2013 USD ($)	Jul. 15, 2013	Jun. 30, 2013 AUD	Jun. 30, 2013 GBP (£)	Mar. 31, 2013 Interest Expense [Member] USD ($)	Mar. 31, 2014 Other Current Liabilities [Member] USD ($)	Dec. 31, 2013 Other Current Liabilities [Member] USD ($)	Dec. 31, 2013 Other Current Assets [Member] USD ($)
Note 11 - Financial Instruments (Details) [Line Items]
Derivative, Fixed Interest Rate			4.36%
Unrealized Gain (Loss) on Derivatives						$ 48,000
Derivative, Amount of Hedged Item				60,000,000	40,000,000
Payments for (Proceeds from) Hedge, Investing Activities	3,400,000
Derivative Liability		622,000					1,000,000	683,000
Derivative Asset									$ 61,000