Note 9 - Senior Notes, Credit Facilities, and Capital Leases (Tables)

6 Months Ended

Jun. 30, 2014

Debt Disclosure [Abstract]

Schedule of Line of Credit Facilities [Table Text Block]

Interest rates:
Spread over the London Interbank Offer Rate	2.25	-	3.25%
Spread over alternative base rate	1.25	-	2.25%
Standby fee per annum on undrawn amounts		0.50%
Covenant financial ratios:
Senior leverage ratio (debt secured by liens/EBITDA)		not more than 2.50:1
Leverage ratio (total debt less unencumbered cash/EBITDA)		not more than 4.00:1
Interest coverage ratio (EBITDA/interest expense)		not more than 3.00:1

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

Twelve-month period ending June 30,
2015	$	8,535
2016		7,615
2017		4,150
2018		1,074
Total		21,374
Less: imputed interest		(903	)
Net capital lease obligation	$	20,471