Note 10 - Derivative Financial Instruments (Details) - Summary of the Company’s Derivative Positions	6 Months Ended
	Jun. 30, 2014 Canadian Dollar/USD [Member]	Jun. 30, 2014 Singapore Dollar/USD [Member]	Jun. 30, 2014 Hong Kong Dollar/USD [Member]	Jun. 30, 2014 Australian Dollar/USD [Member]	Jun. 30, 2014 USD/British Pound [Member]	Jun. 30, 2014 EURO/British Pound [Member]	Jun. 30, 2014 Interest Rate Swap [Member]	Jun. 30, 2014 Short [Member] Canadian Dollar/USD [Member] USD ($)	Jun. 30, 2014 Short [Member] Singapore Dollar/USD [Member] USD ($)	Jun. 30, 2014 Short [Member] Hong Kong Dollar/USD [Member] USD ($)	Jun. 30, 2014 Short [Member] Australian Dollar/USD [Member] USD ($)	Jun. 30, 2014 Short [Member] USD/British Pound [Member] GBP (£)	Jun. 30, 2014 Short [Member] EURO/British Pound [Member] GBP (£)	Jun. 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								$ 37,151,612	$ 1,973,834	$ 1,558,146	$ 3,030,088	£ 1,900,000	£ 8,000,000	$ 166,250,000
Weighted Average Remaining Maturity In Years	4 months 13 days	5 months 20 days	5 months 20 days	5 months 20 days	2 months 5 days	5 months 15 days	2 years 1 month 2 days
Average Exchange Rate	1.07	1.25	7.75	0.93	1.7103	0.8022