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Accrued Expenses and Other Current Liabilities (Details) (USD $)
Feb. 28, 2015
Feb. 28, 2014
Accrued expenses and other liabilities    
Payroll and related employee benefits $ 575,000us-gaap_AccruedEmployeeBenefitsCurrent $ 539,000us-gaap_AccruedEmployeeBenefitsCurrent
Income taxes 15,000us-gaap_AccruedIncomeTaxesCurrent 15,000us-gaap_AccruedIncomeTaxesCurrent
Property taxes 7,000us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent 7,000us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent
Other liabilities 35,000us-gaap_OtherAccruedLiabilitiesCurrent 44,000us-gaap_OtherAccruedLiabilitiesCurrent
Totals $ 632,000us-gaap_AccruedLiabilitiesCurrent $ 605,000us-gaap_AccruedLiabilitiesCurrent