Note 13 - Restructuring and Related Charges (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016		Mar. 31, 2015
Employee Severance [Member]
Accrued balance	[1]	$ 753
Restructuring Charges	[2]	768
Payments		(803)
Expenses/charges		(3)
Accrued balance		715
Facility Closing [Member]
Accrued balance	[1]	20
Restructuring Charges	[2]	2,779
Payments		(91)
Expenses/charges		(286)
Accrued balance		$ 2,422
Impairment of Spartanburg Terminal [Member]
Accrued balance	[1]
Restructuring Charges		$ 546
Payments
Expenses/charges		$ (546)
Accrued balance
Impairment of Bulk Fuel Assets [Member]
Accrued balance	[1]
Restructuring Charges		$ 524
Payments
Expenses/charges		$ (524)
Accrued balance
Restatement Adjustment [Member]
Accrued balance	[1]
Restructuring Charges		$ 647
Payments
Expenses/charges		$ (647)
Accrued balance
Accrued balance	[1],[3]	$ 773
Restructuring Charges		5,264	[2]
Payments		(894)
Expenses/charges		(2,006)
Accrued balance	[3]	$ 3,137

[1] Represents accrued costs related to the prior 2015 restructuring event.

[2] These costs relate to the 2016 restructuring initiatives discussed above.

[3] Refer to Note 13 of the footnotes to the Company's condensed consolidated financial statements for additional information regarding the restructuring, impairment and other costs.