Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0001040470 (http://www.sec.gov/CIK)

Income Taxes Details 3	Period [Axis]
	2016-05-31	2015-05-31
Income Taxes Details 3
Components of Deferred Tax Assets
Net operating losses	16,643,000	15,063,000
Credit carryforwards	4,430,000	3,946,000
Inventory reserves	1,064,000	1,429,000
Reserves and accruals	1,606,000	2,809,000
Other	885,000	960,000
Gross deferred tax assets	24,628,000	24,207,000
Less: Valuation allowance	(24,628,000)	(24,207,000)
Net deferred tax assets	0	0