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6. ACCRUED EXPENSES (Details) (USD $)
In Thousands, unless otherwise specified
May 31, 2014
May 31, 2013
May 31, 2012
Accrued Expenses Details      
Payroll related $ 596 $ 413  
Warranty 223 222 91
Commissions and bonuses 174 419  
Professional services 147 143  
Deferred rent 95 76  
Taxes payable 68 84  
Accrued customer obligations 35 35  
Other 52 48  
Accrued expenses $ 1,390 $ 1,440