Note 9 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Lease Payments Table [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

At December 31, 2014, the future minimum lease payments required under the non-cancellable operating leases were as follows (in thousands):

Year	Minimum Lease Payments
2015	$	17,140
2016	13,476
2017	8,715
2018	5,523
2019	3,237
Thereafter	2,815
Total	$	50,906