XML 40 R26.htm IDEA: XBRL DOCUMENT
v3.22.1

PURCHASED INTANGIBLE ASSETS (Tables) | 12 Months Ended
--- | ---
Jan. 31, 2022
PURCHASED INTANGIBLE ASSETS |
Schedule of changes in the balances of goodwill | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | GPS |  | TRC |  | APC |  | SMC |  | Totals
Balances, February 1, 2019 | ​ | $ | 18,476 | ​ | $ | 12,290 | ​ | $ | 2,072 | ​ | $ | — | ​ | $ | 32,838
Impairment losses | ​ |  | — | ​ |  | (2,823) | ​ |  | (2,072) | ​ |  | — | ​ |  | (4,895)
Balances, January 31, 2020 | ​ |  | 18,476 | ​ |  | 9,467 | ​ |  | — | ​ |  | — | ​ |  | 27,943
Impairment losses | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | —
Balances, January 31, 2021 | ​ |  | 18,476 | ​ |  | 9,467 | ​ |  | — | ​ |  | — | ​ |  | 27,943
Impairment losses | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | —
Acquisition of LTI | ​ | ​ | — | ​ |  | — | ​ |  | — | ​ |  | 90 | ​ |  | 90
Balances, January 31, 2022 | ​ | $ | 18,476 | ​ | $ | 9,467 | ​ | $ | — | ​ | $ | 90 | ​ | $ | 28,033
Schedule of company's purchased intangible assets, other than goodwill | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | January 31, 2022 | ​ | January 31,
​ | ​ | Estimated | ​ | Gross | ​ | Accumulated | ​ | Net | ​ | 2021, (net
​ |  | Useful Life |  | Amounts |  | Amortization |  | Amounts |  | amounts)
Trade names |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
TRC | ​ | 15 years | ​ | $ | 4,499 | ​ | $ | 1,849 | ​ | $ | 2,650 | ​ | $ | 2,949
GPS | ​ | 15 years | ​ | ​ | 3,643 | ​ | ​ | 3,643 | ​ | ​ | — | ​ | ​ | 208
Process certifications |  | 7 years | ​ |  | 1,897 | ​ | ​ | 1,671 | ​ | ​ | 226 | ​ | ​ | 497
Customer relationships | ​ | 10 years | ​ | ​ | 916 | ​ | ​ | 565 | ​ | ​ | 351 | ​ | ​ | 443
Customer contracts | ​ | < 1 year | ​ | ​ | 95 | ​ | ​ | — | ​ | ​ | 95 | ​ | ​ | —
Totals | ​ | ​ | ​ | $ | 11,050 | ​ | $ | 7,728 | ​ | $ | 3,322 | ​ | $ | 4,097
Schedule of expected amortization expense | The future amounts of amortization related to purchased intangibles are presented below for the years ending January 31,
​ | ​ | ​ | ​
2023 |  | $ | 712
2024 | ​ |  | 392
2025 | ​ |  | 392
2026 | ​ |  | 376
2027 | ​ | ​ | 300
Thereafter | ​ |  | 1,150
Total | ​ | $ | 3,322

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: | dtr-types: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

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration