7. INCOME TAXES (Details 3) - USD ($) $ in Thousands	May 31, 2016	May 31, 2015
Components of Deferred Tax Assets
Net operating losses	$ 16,643	$ 15,063
Credit carryforwards	4,430	3,946
Inventory reserves	1,064	1,429
Reserves and accruals	1,606	2,809
Other	885	960
Gross deferred tax assets	24,628	24,207
Less: Valuation allowance	(24,628)	(24,207)
Net deferred tax assets	$ 0	$ 0

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