6. ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	May. 31, 2015	May. 31, 2014	May. 31, 2013
Accrued Expenses Details
Payroll related	$ 503	$ 596
Professional services	142	147
Warranty	137	223	$ 222
Taxes payable	101	68
Commissions and bonuses	94	174
Deferred rent	8	95
Accrued customer obligations	0	35
Other	60	52
Accrued expenses	$ 1,045	$ 1,390