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EMPLOYEE BENEFITS | 12 Months Ended
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Jan. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Text Block] |
12. | EMPLOYEE BENEFITS
| Stock Option Plans – The Company maintains the REX American Resources Corporation 1995 Omnibus Stock Incentive Plan and the REX American Resources Corporation 1999 Omnibus Stock Incentive Plan (the “Omnibus Plans”). Under the Omnibus Plans, the Company may grant to officers and key employees awards in the form of non-qualified stock options, stock appreciation rights, restricted stock, other stock-based awards and cash incentive awards. The Omnibus Plans also provide for yearly grants of non-qualified stock options to directors who are not employees of the Company. The exercise price of each option must be at least 100% of the fair market value of the Company’s common stock on the date of grant. A maximum of 4,500,000 shares of common stock are authorized for issuance under each of the Omnibus Plans. On January 31, 2012, 108,011 and 2,302,425 shares remain available for issuance under the 1995 and 1999 Plans, respectively.
| The following summarizes stock option activity for fiscal years 2011, 2010 and 2009 (amounts in thousands, except per-share amounts):
|  | 2011 |  | 2010 |  | 2009 |
|  | Shares (000’s) |  | Weighted Average Exercise Price |  | Shares (000’s) |  | Weighted Average Exercise Price |  | Shares (000’s) |  | Weighted Average Exercise Price |
Outstanding—Beginning of year |  |  | 726 |  | $ | 10.16 |  |  | 824 |  | $ | 10.14 |  |  | 2,715 |  | $ | 9.63 |
Exercised |  |  | (457 | ) |  | 8.41 |  |  | (98 | ) |  | 10.00 |  |  | (1,683 | ) |  | 8.87 |
Canceled or expired |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (208 | ) |  | 13.75 |
Outstanding—End of year |  |  | 269 |  | $ | 13.15 |  |  | 726 |  | $ | 10.16 |  |  | 824 |  | $ | 10.14 |
Exercisable—End of year |  |  | 269 |  | $ | 13.15 |  |  | 726 |  | $ | 10.16 |  |  | 824 |  | $ | 10.14 |
| Price ranges and other information for stock options outstanding as of January 31, 2012 were as follows (amounts in thousands, except per share amounts):
|  | Outstanding and Exercisable |
Range of Exercise Prices |  | Shares (000’s) |  | Weighted Average Exercise Price |  | Weighted Average Remaining Life |
$12.04 to $16.04 |  |  | 269 |  | $ | 13.15 |  |  | 1.6 |

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64, 65, A240 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 + Details
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