XML 35 R28.htm IDEA: XBRL DOCUMENT
v3.3.1.900

OTHER INTANGIBLE ASSETS (Tables) | 9 Months Ended
--- | ---
Oct. 31, 2015
OTHER INTANGIBLE ASSETS |
Schedule of intangible Assets |
|  |  |  | October 31, 2015 |  | January 31, |
|  | Estimated Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Amount |  | 2015 Net Amount |
Trade name - GPS |  | 15 years |  | $ | 3,643,000 |  | $ | 2,161,000 |  | $ | 1,482,000 |  | $ | 1,664,000 |
Trade name - SMC |  | Indefinite |  | 181,000 |  | — |  | 181,000 |  | 181,000 |
Customer contracts - APC |  | < 1 year |  | 113,000 |  | 69,000 |  | 44,000 |  | — |
Customer relationships |  | 5 years |  | 430,000 |  | 32,000 |  | 398,000 |  | — |
Intangible assets, net |  |  |  | $ | 4,367,000 |  | $ | 2,262,000 |  | $ | 2,105,000 |  | $ | 1,845,000 |

X
- 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
Name: | agx_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock
Namespace Prefix: | agx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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