Note 11 - Derivative Financial Instruments (Details) - Summary of the Company’s Derivative Positions	9 Months Ended
	Sep. 30, 2014 Canadian Dollar/USD [Member]	Sep. 30, 2014 Singapore Dollar/USD [Member]	Sep. 30, 2014 Hong Kong Dollar/USD [Member]	Sep. 30, 2014 Australian Dollar/USD [Member]	Sep. 30, 2014 USD/British Pound [Member]	Sep. 30, 2014 EURO/British Pound [Member]	Sep. 30, 2014 Interest Rate Swap [Member]	Sep. 30, 2014 Short [Member] Canadian Dollar/USD [Member] USD ($)	Sep. 30, 2014 Short [Member] Singapore Dollar/USD [Member] USD ($)	Sep. 30, 2014 Short [Member] Hong Kong Dollar/USD [Member] USD ($)	Sep. 30, 2014 Short [Member] Australian Dollar/USD [Member] USD ($)	Sep. 30, 2014 Short [Member] USD/British Pound [Member] GBP (£)	Sep. 30, 2014 Short [Member] EURO/British Pound [Member] GBP (£)	Sep. 30, 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								$ 33,225,371	$ 1,973,834	$ 1,558,146	$ 3,030,088	£ 1,900,000	£ 8,000,000	$ 162,968,750
Weighted Average Remaining Maturity In Years	2 months 12 days	2 months 12 days	2 months 12 days	2 months 12 days	2 months 12 days	2 months 12 days	1 year 9 months 18 days
Average Exchange Rate	1.12	1.28	7.77	0.87	1.6200	0.7800