Note 10 - Derivative Financial Instruments (Details) - Summary of the Company’s Derivative Positions	9 Months Ended
	Sep. 30, 2013 Canadian Dollar/USD [Member] USD ($)	Sep. 30, 2013 Singapore Dollar/USD [Member] USD ($)	Sep. 30, 2013 Hong Kong Dollar/USD [Member] USD ($)	Sep. 30, 2013 Australian Dollar/USD [Member] USD ($)	Sep. 30, 2013 USD/British Pound [Member] GBP (£)	Sep. 30, 2013 EURO/British Pound [Member] GBP (£)	Sep. 30, 2013 Interest Rate Swap [Member] USD ($)
Note 10 - Derivative Financial Instruments (Details) - Summary of the Company’s Derivative Positions [Line Items]
Notional Amount	$ 13,001,124	$ 1,979,368	$ 1,570,093	$ 3,579,286	£ 1,900,000	£ 8,000,000	$ 172,812,500
Weighted Average Remaining Maturity In Years	2 months 12 days	2 months 12 days	2 months 12 days	2 months 12 days	8 months 12 days	10 months 24 days	2 years 9 months 18 days
Average Exchange Rate	1.03	1.26	7.75	0.93	0.84	1.61