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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested options awarded to employees as compensation.

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The cash inflow from the additional capital contribution to the entity.

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1. ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		12 Months Ended
	Nov. 30, 2014	Mar. 31, 2013	May 31, 2016	May 31, 2015	May 31, 2014
Common stock sold	1,065,000	1,158,000
Purchase price per share	$ 2.431	$ 1.00
Gross proceeds from sale of stock	$ 2,589	$ 1,158	$ 512	$ 855	$ 715
Net proceeds after offering expenses	$ 2,574	$ 1,138
STOCK BASED COMPENSATION:
Stock-based compensation costs capitalized as part of inventory			0	20	24
Stock-based compensation expense related to stock options and restricted stock units			894	857	723
Stock-based compensation related to the ESPP			122	$ 140	$ 130
Compensation cost related to purchase rights under the ESPP but not yet recognized			$ 138
Weighted average period for recognition of costs			1 year 2 months 12 days
EARNINGS PER SHARE:
Options not included in the computation of diluted net (loss) income per share			3,201,000	3,686,000	301,000
Asia \| Accounts Receivable
Concentration risk			7.00%	70.00%
Europe \| Accounts Receivable
Concentration risk			68.00%	3.00%
North America \| Accounts Receivable
Concentration risk			25.00%	27.00%
Customer One \| Accounts Receivable
Concentration risk			67.00%	41.00%
Customer One \| Net Sales
Concentration risk			47.00%	45.00%
Customer Two \| Accounts Receivable
Concentration risk				32.00%
Customer Two \| Net Sales
Concentration risk			32.00%	11.00%
ESPP
STOCK BASED COMPENSATION:
ESPP purchase rights granted			304,000	222,000	172,000
ESPP shares issued			86,000	87,000	120,000
EARNINGS PER SHARE:
Options not included in the computation of diluted net (loss) income per share			304,000	175,000	131,000
RSUs
EARNINGS PER SHARE:
Options not included in the computation of diluted net (loss) income per share			35,000
1996 Stock Option Plan and 2006 Equity Incentive Plan
STOCK BASED COMPENSATION:
Unrecognized stock-based compensation			$ 1,102
Estimated forfeitures of unvested stock based awards, amount			$ 3
Weighted average period for recognition of costs			2 years 1 month 6 days