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

6 Months Ended

Jun. 30, 2015

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 less than 3.00:1

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

Twelve-month period ending June 30,
2016	$	9,715
2017		6,274
2018		3,509
2019		1,317
Total		20,815
Less: imputed interest		(839	)
Net capital lease obligation	$	19,976