Note 16 - Subsequent Events (Details) (USD $)	1 Months Ended	3 Months Ended
	Apr. 30, 2015	Jun. 30, 2015
Subsequent Event [Member] | Intellectual Property [Member]
Note 16 - Subsequent Events (Details) [Line Items]
Income Tax Examination Tax Payment	$ 1,200,000
Subsequent Event [Member]
Note 16 - Subsequent Events (Details) [Line Items]
Income Tax Examination, Penalties Accrued	0
Scenario, Forecast [Member]
Note 16 - Subsequent Events (Details) [Line Items]
Income Tax Examination Tax Payment	200,000	1,600,000
Income Tax Examination, Interest Expense	1,100,000	700,000
Income Tax Examination Tax Provision Charge		$ 2,300,000