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Significant Customers and Concentration of Credit Risk (Details Textual) (Customer Concentration Risk [Member])
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12 Months Ended | ||
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Feb. 29, 2012
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Feb. 28, 2011
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Feb. 28, 2010
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Customer Concentration Risk [Member]
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| Significant Customers and Concentration of Credit Risk (Textual) | |||
| Concentration Risk, Percentage | 61.00% | 41.70% | 39.20% |
| Concentration Risk, Additional Characteristic | Five largest customers | Five largest customers | Five largest customers |
| Concentration Risk, Benchmark Description | Total sales | Total sales | Total sales |
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- Details
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- Definition
For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, this item identifies a second characteristic of the concentration. For example, "Europe" is the second characteristic in the phrase: "net assets in Europe are 70% of total net assets". Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Identifies or describes the benchmark that serves as the denominator in the calculation of the percentage of concentration risk. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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