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NET INCOME (LOSS) PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN (Tables) | 12 Months Ended
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Jan. 31, 2022
NET INCOME (LOSS) PER SHARE ATTRIBUTABLE TO THE STOCKHOLDERS OF ARGAN |
Schedule of computations of basic and diluted net income per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2022 |  | 2021 |  | 2020
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income (loss) attributable to the stockholders of Argan | ​ | $ | 38,244 | ​ | $ | 23,851 | ​ | $ | (42,689)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average number of shares outstanding – basic | ​ | ​ | 15,715 | ​ | ​ | 15,668 | ​ | ​ | 15,621
Effect of stock awards (1)(2) | ​ | ​ | 198 | ​ | ​ | 157 | ​ | ​ | —
Weighted average number of shares outstanding – diluted | ​ | ​ | 15,913 | ​ | ​ | 15,825 | ​ | ​ | 15,621
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income (loss) per share attributable to the stockholders of Argan | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | $ | 2.43 | ​ | $ | 1.52 | ​ | $ | (2.73)
Diluted | ​ | $ | 2.40 | ​ | $ | 1.51 | ​ | $ | (2.73)
(1) | The weighted average numbers of shares determined on a dilutive basis for Fiscal 2022 and Fiscal 2021 exclude the effects of antidilutive stock options covering 570,167 and 638,001 shares of common stock, respectively, as the options had exercise prices per share in excess of the average market price per share for the applicable year.
(2) | For Fiscal 2020, the weighted average number of shares determined on a dilutive basis excludes any effect of outstanding stock awards which covered 1,303,000 shares of the Company's common stock as of January 31, 2020 as the Company incurred a net loss for the year.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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