XML 46 R18.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Major Customers | 6 Months Ended
--- | ---
Jul. 31, 2014
Text Block [Abstract] |
Major Customers | NOTE 13 - MAJOR CUSTOMERS During the three and six months ended July 31, 2014 and 2013, the majority of the Company’s consolidated revenues related to engineering, procurement and construction services that were provided by GPS to the power industry. Revenues from power industry services accounted for approximately 98% and 96% of consolidated revenues for the three months ended July 31, 2014 and 2013, respectively, and approximately 98% and 95% of consolidated revenues for the six months ended July 31, 2014 and 2013, respectively. The Company’s significant customer relationships for the current year included three power industry service customers which accounted for approximately 51%, 33% and 14%, respectively, of consolidated revenues for the three months ended July 31, 2014. These three largest customers provided approximately 47%, 34% and 17%, respectively, of consolidated revenues for the six months ended July 31, 2014. The Company’s significant customer relationships last year included three power industry service customers which accounted for approximately 43%, 36% and 12%, respectively, of consolidated revenues for the three months ended July 31, 2013. Two of these project-owner customers provided approximately 43% and 40%, respectively, of consolidated revenues for the six months ended July 31, 2013.

X
- Definition Major customers. + References No definition available. + Details
Name: | agx_MajorCustomersTextBlock
Namespace Prefix: | agx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration