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Note 1 - Organization | 12 Months Ended
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Dec. 31, 2016
Notes to Financial Statements |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] |
1. | ORGANIZATION :
Northwest Pipe Company (collectively with its subsidiaries, the “Company”) operates in two business segments, Water Transmission and Tubular Products. The Water Transmission segment primarily produces steel pipeline systems for use in drinking water infrastructure and has manufacturing facilities located in Portland, Oregon; Denver, Colorado (sold in October 2016); Adelanto, California; Parkersburg, West Virginia; Saginaw, Texas; St. Louis, Missouri; Salt Lake City, Utah and Monterrey, Mexico. The Tubular Products segment primarily produces steel line pipe products for energy applications and has a manufacturing facility located in Atchison, Kansas. The Atchison facility operated at reduced levels from April 2015 to January 2016, when the Company idled the facility until market conditions improve or a sale is completed.

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