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

9 Months Ended

Sep. 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 September 30,
2016	$	9,450
2017		5,876
2018		3,294
2019		1,123
2020		71
Total		19,814
Less: imputed interest		(837	)
Net capital lease obligation	$	18,977