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

6 Months Ended

Jun. 30, 2016

Notes Tables

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) (1)	not more than 5.00:1
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,
2017	$	7,325
2018		4,906
2019		2,482
2020		638
Total		15,351
Less: imputed interest		(661	)
Net capital lease obligation	$	14,690