Note 10 - Derivative Financial Instruments (Details) - Summary of the Company’s Derivative Positions	3 Months Ended
	Mar. 31, 2014 Canadian Dollar/USD [Member]	Mar. 31, 2014 Singapore Dollar/USD [Member]	Mar. 31, 2014 Hong Kong Dollar/USD [Member]	Mar. 31, 2014 Australian Dollar/USD [Member]	Mar. 31, 2014 USD/British Pound [Member]	Mar. 31, 2014 EURO/British Pound [Member]	Mar. 31, 2014 Interest Rate Swap [Member]	Mar. 31, 2014 Short [Member] Canadian Dollar/USD [Member] USD ($)	Mar. 31, 2014 Short [Member] Singapore Dollar/USD [Member] USD ($)	Mar. 31, 2014 Short [Member] Hong Kong Dollar/USD [Member] USD ($)	Mar. 31, 2014 Short [Member] Australian Dollar/USD [Member] USD ($)	Mar. 31, 2014 Short [Member] USD/British Pound [Member] GBP (£)	Mar. 31, 2014 Short [Member] EURO/British Pound [Member] GBP (£)	Mar. 31, 2014 Short [Member] Interest Rate Swap [Member] USD ($)
Note 10 - Derivative Financial Instruments (Details) - Summary of the Company’s Derivative Positions [Line Items]
Notional Amount								$ 21,074,386	$ 1,973,834	$ 1,558,146	$ 3,030,088	£ 1,900,000	£ 8,000,000	$ 168,437,500
Weighted Average Remaining Maturity In Years	6 months 20 days	9 months 6 days	9 months 6 days	9 months 6 days	5 months 21 days	3 months 15 days	2 years 4 months 18 days
Average Exchange Rate	1.11	1.26	7.75	0.91	1.6649	0.8269