Business segment reporting

9 Months Ended

Oct. 31, 2014

Segment reporting [Line Items]

Segment Reporting Disclosure [Text Block]

Business segment reporting. The Company has two reportable segments: Piping Systems which engineers, designs, manufactures and sells specialty piping, leak detection and location systems, and Filtration Products, which manufactures custom-designed industrial filtration products to remove particulates from air and other gas streams.

For the three months ended October 31, 2014 and 2013, respectively, no customer accounted for 10% of the Company's consolidated net sales. For the nine months ended October 31, 2014, one customer in Piping Systems accounted for 12.6% of the Company's consolidated net sales, and no customer accounted for 10% of the Company's consolidated net sales for the nine months ended October 31, 2013.

At October 31, 2014, one customer in Piping Systems accounted for 33% of accounts receivable. At January 31, 2014, one customer in Piping Systems accounted for 24% of accounts receivable.

	Three Months Ended October 31,						Nine Months Ended October 31,
	2014			2013			2014			2013
Net sales
Piping Systems		$26,540			$42,289			$102,683			$121,825
Filtration Products	17,279			15,678			54,030			51,635
Total	43,819				$57,967			$156,713			$173,460
Gross profit
Piping Systems		$4,609			$14,726			$25,913			$35,760
Filtration Products	2,112			2,161			7,342			7,277
Total		$6,721			$16,887			$33,255			$43,037
Income (loss) from operations
Piping Systems		$1,096			$9,403			$12,896			$21,276
Filtration Products	(726		)	(486		)	(1,300		)	(468		)
Corporate	(1,606		)	(2,130		)	(5,328		)	(6,715		)
Total		($1,236	)		$6,787			$6,268			$14,093

Prior to 2014, the Company did not allocate certain general administrative costs, including costs related to payroll processing and information systems, to its operating segments and instead included these costs and variances in corporate expenses. In 2014, the Company began allocating these costs and variances to its operating segments.