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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $) In Thousands, unless otherwise specified |  |  | 0 Months Ended |  |  | 12 Months Ended |  |  |  |  |  |  |  |
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Feb. 28, 2013 item | Feb. 28, 2013 Gross trade receivable Concentrations of credit risk item | Feb. 29, 2012 Gross trade receivable Concentrations of credit risk item | Feb. 28, 2013 Gross trade receivable Concentrations of credit risk Two major customers item | Feb. 29, 2012 Gross trade receivable Concentrations of credit risk Two major customers item | Feb. 28, 2013 Gross trade receivable Concentrations of credit risk Five top customers item | Feb. 29, 2012 Gross trade receivable Concentrations of credit risk Five top customers item | Feb. 28, 2013 Gross trade receivable Customer concentration risk Five top customers | Feb. 29, 2012 Gross trade receivable Customer concentration risk Five top customers | Feb. 28, 2013 Allowances for doubtful accounts | Feb. 29, 2012 Allowances for doubtful accounts | Feb. 28, 2011 Allowances for doubtful accounts | Feb. 28, 2010 Allowances for doubtful accounts | Feb. 28, 2013 Allowances for back-to-stock returns | Feb. 29, 2012 Allowances for back-to-stock returns | Feb. 28, 2011 Allowances for back-to-stock returns | Feb. 28, 2010 Allowances for back-to-stock returns
Receivables |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of receivables valuation reserves | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Valuation reserve |  |  |  |  |  |  |  |  |  | $ 1,764 | $ 1,811 | $ 2,108 | $ 1,390 | $ 3,267 | $ 3,730 | $ 2,040 | $ 1,956
Number of major customers with whom the entity has significant concentrations of credit risk |  | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of concentration risk |  |  |  | 17.00% | 11.00% |  |  | 42.00% | 37.00% |  |  |  |  |  |  |  |
Number of customers in a group with significant receivable balances |  |  |  | 2 | 2 | 5 | 5 |  |  |  |  |  |  |  |  |  |

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- Definition Risks that arise due to the volume of business transacted with a major customer, expressed as the number of major customers of the entity. + References No definition available. + Details
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- Definition Represents the number of receivable valuation reserves. + References No definition available. + Details
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- Definition Represents the number of customers as a group with significant receivable balances. + References No definition available. + Details
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611 + Details
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- Definition Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
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