Investments (Tables)

12 Months Ended

Dec. 31, 2014

Investments [Abstract]

Schedule Of Carrying Amount And Maximum Loss Exposure Of Equity Investments [Table Text Block]

		2014		2013
LB Pipe JV equity method investment	$	5,746	$	5,090
Net investment in direct financing lease		1,117		1,224
	$	6,863	$	6,314

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

		Minimum Lease Payments
2015	$	122
2016		131
2017		140
2018		150
2019		574
2020 and thereafter		-
	$	1,117