Note 9 - Financial Covenants (Details)	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Minimum [Member]
Interest coverage ratio	2.5
Maximum [Member]
Consolidated leverage ratio	4
Senior Secured leverage ratio	3
Interest coverage ratio	9.62	14.76	17.63
Consolidated leverage ratio	2.07	1.5	1.12
Senior Secured leverage ratio	0.07	0.23	0.19