Recent accounting pronouncements	3 Months Ended
Apr. 30, 2017
Accounting Policies [Abstract]
Recent accounting pronouncements [Text Block]	Recent accounting pronouncements. In October 2016, the FASB issued authoritative guidance requiring the recognition of the income tax consequences of an intra-entity transfer of an asset, other than inventory, when the transfer occurs rather than when transferred to a third party as required under the current guidance. The new guidance is effective for the Company beginning February 1, 2018, with early adoption permitted. The Company is currently assessing the potential impact the guidance will have upon adoption. In August 2016, the FASB issued Accounting Standards Update ("ASU") 2016-15, Statement of Cash Flows: Classification of Certain Cash Receipts and Cash Payments. The new standard provides guidance on eight targeted areas and how they are presented and classified in the statement of cash flows. The guidance is effective for fiscal years beginning after December 15, 2017. The Company adopted this new guidance in the first quarter of 2017, and it did not have a material impact on the Company's operating results, financial position or cash flows. In March 2016, the FASB issued guidance relating to the accounting for share-based payment transactions. This guidance involves several aspects of the accounting for share-based payment transactions, including the income tax consequences, classifications of awards as either equity or liabilities and classification on the statement of cash flows. The standard is effective for the Company beginning in its fiscal year 2017, including interim periods within those fiscal years, and early adoption is permitted. The Company adopted this new guidance in the first quarter of 2017, and it did not have a material impact on the Company's operating results, financial position or cash flows. In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). This ASU requires entities to recognize assets and liabilities for most leases on their balance sheets. It also requires additional qualitative and quantitative disclosures to help investors and other financial statement users better understand the amount, timing, and uncertainty of cash flows arising from leases. ASU No. 2016-02 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018, with early adoption permitted. The Company is currently evaluating the effect that this standard will have on the consolidated financial statements and related disclosures. In May 2014, FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers ("Topic 606")", with several clarifying updates issued during 2016. This new standard will replace all current GAAP guidance on this topic and eliminate all industry-specific guidance. The new revenue recognition guidance provides a unified model to determine when and how revenue is recognized. The core principle is that a company should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration for which the entity expects to be entitled in exchange for those goods or services. The mandatory adoption will require new qualitative and quantitative disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments, information about contract balances and performance obligations, and assets recognized from costs incurred to obtain or fulfill a contract. This guidance is effective for the Company beginning February 1, 2018, with early adoption permitted. The new revenue standards may be applied retrospectively to each prior period presented or retrospectively with the cumulative effect recognized as of the date of adoption. The Company has not yet selected the transition method. The Company currently expects to adopt the new revenue standards in the first quarter of 2018. The Company is currently evaluating the impact of adopting the standard on the Company’s financial position, results of operations, cash flows and related disclosures and has not concluded on its adoption methodology. Although it is early in the evaluation process, the Company does not expect Topic 606 to have a material impact on the financial statements, though internal processes, record keeping and disclosures may be significantly impacted. As a portion of the Company’s sales are generated from the sale of finished products to customers, these sales predominantly contain a single delivery element, and revenue is recognized at a single point in time when ownership, risks, and rewards transfer. These are largely un-affected by the new standard. The remaining sales are not believed to be material, because Topic 606 generally supports the recognition of revenue over time under the cost-to-cost method for the majority of the contracts, which is consistent with the current percentage of completion revenue recognition model. The Company evaluated other recent accounting pronouncements and does not expect them to have a material impact on the consolidated financial statements.

Recent accounting pronouncements. In October 2016, the FASB issued authoritative guidance requiring the recognition of the income tax consequences of an intra-entity transfer of an asset, other than inventory, when the transfer occurs rather than when transferred to a third party as required under the current guidance. The new guidance is effective for the Company beginning February 1, 2018, with early adoption permitted. The Company is currently assessing the potential impact the guidance will have upon adoption.

In August 2016, the FASB issued Accounting Standards Update ("ASU") 2016-15, Statement of Cash Flows: Classification of Certain Cash Receipts and Cash Payments. The new standard provides guidance on eight targeted areas and how they are presented and classified in the statement of cash flows. The guidance is effective for fiscal years beginning after December 15, 2017. The Company adopted this new guidance in the first quarter of 2017, and it did not have a material impact on the Company's operating results, financial position or cash flows.

In March 2016, the FASB issued guidance relating to the accounting for share-based payment transactions. This guidance involves several aspects of the accounting for share-based payment transactions, including the income tax consequences, classifications of awards as either equity or liabilities and classification on the statement of cash flows. The standard is effective for the Company beginning in its fiscal year 2017, including interim periods within those fiscal years, and early adoption is permitted. The Company adopted this new guidance in the first quarter of 2017, and it did not have a material impact on the Company's operating results, financial position or cash flows.

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). This ASU requires entities to recognize assets and liabilities for most leases on their balance sheets. It also requires additional qualitative and quantitative disclosures to help investors and other financial statement users better understand the amount, timing, and uncertainty of cash flows arising from leases. ASU No. 2016-02 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018, with early adoption permitted. The Company is currently evaluating the effect that this standard will have on the consolidated financial statements and related disclosures.

In May 2014, FASB issued ASU No. 2014-09, "Revenue from Contracts with Customers ("Topic 606")", with several clarifying updates issued during 2016. This new standard will replace all current GAAP guidance on this topic and eliminate all industry-specific guidance. The new revenue recognition guidance provides a unified model to determine when and how revenue is recognized. The core principle is that a company should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration for which the entity expects to be entitled in exchange for those goods or services. The mandatory adoption will require new qualitative and quantitative disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments, information about contract balances and performance obligations, and assets recognized from costs incurred to obtain or fulfill a contract. This guidance is effective for the Company beginning February 1, 2018, with early adoption permitted. The new revenue standards may be applied retrospectively to each prior period presented or retrospectively with the cumulative effect recognized as of the date of adoption. The Company has not yet selected the transition method. The Company currently expects to adopt the new revenue standards in the first quarter of 2018.

The Company is currently evaluating the impact of adopting the standard on the Company’s financial position, results of operations, cash flows and related disclosures and has not concluded on its adoption methodology. Although it is early in the evaluation process, the Company does not expect Topic 606 to have a material impact on the financial statements, though internal processes, record keeping and disclosures may be significantly impacted. As a portion of the Company’s sales are generated from the sale of finished products to customers, these sales predominantly contain a single delivery element, and revenue is recognized at a single point in time when ownership, risks, and rewards transfer. These are largely un-affected by the new standard. The remaining sales are not believed to be material, because Topic 606 generally supports the recognition of revenue over time under the cost-to-cost method for the majority of the contracts, which is consistent with the current percentage of completion revenue recognition model.

The Company evaluated other recent accounting pronouncements and does not expect them to have a material impact on the consolidated financial statements.