SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $) In Thousands, unless otherwise specified				0 Months Ended				12 Months Ended
	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