Investment in joint venture (Notes)

9 Months Ended

Oct. 31, 2013

Investment in joint venture [Abstract]

Equity Method Investments [Table Text Block]

Investment in joint venture. In October 2009 the Company invested $5.9 million, which consisted of $2 million for a 49% interest and $3.9 million for a note receivable, in a Canadian joint venture with The Bayou Companies, Inc., a subsidiary of Aegion Corporation. The joint venture completed an acquisition of Garneau, Inc.'s pipe coating and insulation facility and associated assets located in Camrose, Alberta, Canada, which provides the Company the opportunity to participate in the growing oil sands market. In February 2012, the Company loaned $1 million to the joint venture to be used for capital expenditures.

The Company accounts for the investment in the joint venture using the equity method. The financial results are included in the Company's consolidated financial statements.

	Nine Months Ended October 31,
	2013	2012
Income from joint venture	$248	$354

The following information summarizes the joint venture financial data as of October 31, 2013 and January 31, 2013, respectively:

	October 31, 2013	January 31, 2013
Current assets	$12,312	$14,058
Noncurrent assets	18,613	19,442
Current liabilities	2,306	2,703
Noncurrent liabilities	15,989	18,274
Equity	$12,630	$12,524

	Nine Months Ended October 31,
	2013		2012
Revenue		$19,913		$19,389
Gross profit	3,157		3,616
Income from continuing operations	1,570		1,827
Net income	$516		$726