Note 10 - Derivative Financial Instruments (Details) - Summary of the Company’s Derivative Positions	12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended		12 Months Ended
	Dec. 31, 2013 Canadian Dollar/USD [Member]	Dec. 31, 2013 Canadian Dollar/USD [Member] Sell [Member] USD ($)	Dec. 31, 2013 Singapore Dollar/USD [Member]	Dec. 31, 2013 Singapore Dollar/USD [Member] Sell [Member] USD ($)	Dec. 31, 2013 Hong Kong Dollar/USD [Member]	Dec. 31, 2013 Hong Kong Dollar/USD [Member] Sell [Member] USD ($)	Dec. 31, 2013 Australian Dollar/USD [Member]	Dec. 31, 2013 Australian Dollar/USD [Member] Sell [Member] USD ($)	Dec. 31, 2013 USD/British Pound [Member]	Dec. 31, 2013 USD/British Pound [Member] Sell [Member] GBP (£)	Dec. 31, 2013 EURO/British Pound [Member]	Dec. 31, 2013 EURO/British Pound [Member] Sell [Member] GBP (£)	Dec. 31, 2013 Interest Rate Swap [Member]	Dec. 31, 2013 Interest Rate Swap [Member] Sell [Member] USD ($)
Note 10 - Derivative Financial Instruments (Details) - Summary of the Company’s Derivative Positions [Line Items]
Notional Amount		$ 10,208,460		$ 1,973,834		$ 1,558,146		$ 3,030,088		£ 1,900,000		£ 8,000,000		$ 170,625,000
Weighted Average Remaining Maturity In Years	2 months 24 days		11 months 20 days		11 months 20 days		11 months 20 days		8 months 3 days		5 months 28 days		2 years 6 months 25 days
Average Exchange Rate	1.06		1.26		7.75		0.87		1.6533		0.8317