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Comparative figures | 12 Months Ended
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Dec. 31, 2016
Comparative figures [Abstract] |
Comparative figures | Comparative figures Certain comparative figures have been reclassified from statements previously presented to conform to the presentation of the current year consolidated financial statements.

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- Definition Comparative Figures. + References No definition available. + Details
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- Definition Comparative figures + References No definition available. + Details
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Namespace Prefix: | noa_
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