|
2. STOCK-BASED COMPENSATION (Details Narrative) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Nov. 30, 2012
|
Nov. 30, 2011
|
Nov. 30, 2012
|
Nov. 30, 2011
|
|
| Stock-based compensation costs capitalized as part of inventory | $ 67,000 | $ 67,000 | ||
| Stock-based compensation expense related to stock options | 83,000 | 134,000 | 192,000 | 289,000 |
| Estimated forfeitures of unvested stock based awards | 3,000 | 3,000 | ||
| Weighted average remaining period of the underlying options | 3 years 1 month | |||
| Intrinsic value of options exercised | 0 | 0 | 42,000 | 0 |
|
Employee Stock Purchase Plan
|
||||
| Weighted average remaining period of the underlying options | 8 months | |||
| Stock-based compensation related to the ESPP | 16,000 | 38,000 | 34,000 | 48,000 |
| Compensation cost related to options to purchase the Company's common stock under the ESPP but not yet recognized | 28,000 | 28,000 | ||
|
1996 Stock Option Plan
|
||||
| Unrecognized stock-based compensation cost | $ 1,016,000 | $ 1,016,000 | ||

