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Business and segment information | 12 Months Ended
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Jan. 31, 2017
Business and segment information [Abstract] |
Business and segment information [Text Block] | Note 1 - Business and segment information Perma-Pipe International Holdings, Inc. ("PPIH", the "Company", or the "Registrant") was incorporated in Delaware on October 12, 1993. As of January 31, 2016, PPIH is engaged in the manufacture and sale of products in one distinct segment: Piping Systems. As described below, prior to January 29, 2016, the Company was also engaged in the manufacture and sale of products in the Filtration Products segment. In February 2017, the Company announced that the board of directors had authorized Company management to move forward with the re-naming and re-branding of MFRI, Inc. under the Perma-Pipe name now that the Company operates in a single business segment under the Perma-Pipe brand, and the Company believes this decision will better serve its strategy, position it well in the industry and global market, and better reflect the Company’s mission and strategy, and positions it to leverage the strong reputation Perma-Pipe has established since beginning operations. The name change to Perma-Pipe International Holdings, Inc. was effective March 20, 2017. The Company's common stock has been and will continue to be reported under its new ticker symbol “PPIH” since March 21, 2017. Fiscal year. The Company's fiscal year ends on January 31. Years and balances described as 2016 and 2015 are the fiscal years ended January 31, 2017 and 2016, respectively. Nature of business. Piping Systems engineers, designs, manufactures and sells specialty piping and leak detection and location systems. This segment's specialty piping systems include (i) industrial and secondary containment piping systems for transporting chemicals, hazardous fluids and petroleum products, (ii) insulated and jacketed piping systems for district heating and cooling, Municipal Freeze Protection, Oil & Gas, Mining and Industrial applications, (iii) insulation for subsea oil and gas gathering flowlines and equipment, (iv) above and below ground long lines for oil and mineral transportation and (v) anti-corrosion coatings for oil and gas distribution and gathering pipelines. The leak detection and location systems are sold with some of its piping systems and also on a stand-alone basis to monitor areas where fluid intrusion may contaminate the environment, endanger personal safety, cause a fire hazard, impair essential services or damage equipment or property. Prior to January 29, 2016, the Company had a Filtration Products segment. This business is reported as discontinued operations in the consolidated financial statements, and the notes to consolidated financial statements have been restated to conform to the current year reporting of this business. For further information, see Note 4 - Discontinued operations, in the Notes to Consolidated Financial Statements. Segment information was as follows:
| 2016 | 2015
Net sales |  |
Piping Systems | $98,845 | $122,696
Gross profit |  |
Piping Systems | $11,716 | $26,741
Income (loss) from operations |  |
Piping Systems | $(2,435) | $10,537
Corporate | (8,353) | (7,659)
Total (loss) income from operations | $(10,788) | $2,878
Segment assets |  |
Piping Systems | $98,855 | $112,161
Corporate | 2,731 | 10,229
Total segment assets | $101,586 | $122,390
Capital expenditures |  |
Piping Systems | $1,925 | $4,762
Corporate | 332 | 289
Total capital expenditures | $2,257 | $5,051
Depreciation and amortization |  |
Piping Systems | $5,009 | $3,735
Corporate | 327 | 469
Total depreciation and amortization | $5,336 | $4,204
Geographic information. Net sales are attributed to a geographic area based on the destination of the product shipment. Sales to foreign customers was 57% in 2016 compared to 50% in 2015. Long-lived assets are based on the physical location of the assets and consist of property, plant and equipment used in the generation of revenues in the geographic area.
| 2016 | 2015 |
Net sales |  |
United States | $42,048 | $58,707
Middle East | 28,009 | 60,749
Canada | 25,915 | 2,581
India | 2,360 | 372
Other | 513 | 287
Total net sales | $98,845 | $122,696
Property, plant and equipment, net of accumulated depreciation |  |
United States | $11,747 | $13,822
Canada | 13,276 | — |
Middle East | 10,987 | 11,211
India | 265 | 367
Total | $36,275 | $25,400

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8981-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8595-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8984-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8538-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8864-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8924-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 + Details
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