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PURCHASED INTANGIBLE ASSETS (Tables) | 6 Months Ended
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Jul. 31, 2018
PURCHASED INTANGIBLE ASSETS |
Schedule of purchased intangible assets, other than goodwill |
|  |  |  | July 31, 2018 |  | January 31, |
|  | Estimated Useful Life |  | Gross Amount |  | Accumulated Amortization |  | Net Amount |  | 2018 (net amount) |
Trade names |  | 15 years-indefinite |  | $ | 8,323 |  | $ | 3,628 |  | $ | 4,695 |  | $ | 4,966 |
Process certifications |  | 7 years |  | 1,897 |  | 723 |  | 1,174 |  | 1,310 |
Customer relationships |  | 4-10 years |  | 1,346 |  | 572 |  | 774 |  | 873 |
Totals |  |  |  | $ | 11,566 |  | $ | 4,923 |  | $ | 6,643 |  | $ | 7,149 |

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- Definition Tabular disclosure of amortizable finite-lived intangible assets, in total and by major class, including the gross carrying amount and accumulated amortization, and indefinite-lived intangible assets not subject to amortization, excluding goodwill, in total and by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
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Namespace Prefix: | agx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration