1. ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

May 31, 2013

Organization And Summary Of Significant Accounting Policies Tables

Financial assets and liabilities measured at fair value on a recurring basis

In Thousands, unless otherwise specified

	Balance as of
	May 31, 2013	Level 1	Level 2	Level 3
Money market funds. .	$ 102	$ 102	$    --	$    --
Assets. . . . . . . .	$ 102	$ 102	$    --	$    --
Liabilities . . . . .	$  --	$  --	$    --	$    --

The following table summarizes the Company’s financial assets and liabilities measured at fair value on a recurring basis as of May 31, 2012 (in thousands):

	Balance as of
	May 31, 2012	Level 1	Level 2	Level 3
Money market funds. .	$   2	$    2	$    --	$    --
Assets. . . . . . . .	$   2	$    2	$    --	$    --
Liabilities . . . . .	$  --	$   --	$    --	$    --

Compensation costs related to the Company's stock-based compensation

In Thousands, except per share data

	Year Ended May 31,
	2013	2012	2011
Stock-based compensation in the form of employee
stock options and ESPP shares, included in:
Cost of sales...................................	$ 36	$ 87	$108
Selling, general and administrative.............	446	430	488
Research and development........................	119	192	351
Net effect on net loss..........................	$601	$709	$947
Effect on net loss per share:
Basic.........................................	$0.06	$0.08	$0.11
Diluted.......................................	$0.06	$0.08	$0.11

Fair value assumptions for Option Valuation Model

	Year Ended May 31,
	2013	2012	2011
Option Plan Shares
Expected Term (in years)...............	5	5	5
Volatility.............................	0.91	0.84	0.80
Expected Dividend......................	$0.00	$0.00	$0.00
Risk-free Interest Rates...............	0.72%	1.12%	1.73%
Weighted Average Grant Date Fair Value.	$0.78	$0.60	$1.19

Fair value assumption of the ESPP Purchase Rights

	Year End May 31,
	2013	2012	2011
Employee Stock Purchase Plan Shares
Expected Term (in years)................	0.5 - 2.0	0.5 - 2.0	n/a
Volatility..............................	0.45 – 1.05	0.79 – 0.95	n/a
Expected Dividend.......................	$0.00	$0.00	n/a
Risk-free Interest Rates................	0.11%–0.23%	0.06%–1.05%	n/a
Weighted Average Grant Date Fair Value..	$0.54	$0.40	n/a

Basic and diluted EPS

In Thousands, except per share data

	Year Ended May 31,
	2013	2012	2011
Numerator: Net loss.........................	$(3,419)	$(3,390)	$(3,389)
Denominator for basic net loss per share:
Weighted-average shares outstanding.......	9,549	9,016	8,776
Shares used in basic net loss per share
calculation...............................	9,549	9,016	8,776
Effect of dilutive securities...............	--	--	--
Denominator for diluted net loss per share..	9,549	9,016	8,776
Basic net loss per share....................	$(0.36)	$(0.38)	$(0.39)
Diluted net loss per share..................	$(0.36)	$(0.38)	$(0.39)