|
Note 2 - Cash, Cash Equivalents and Short-term Investments (Detail) - Maturities of Debt Securities Classified as Available-For-Sale (USD $)
In Thousands, unless otherwise specified |
Nov. 30, 2012
|
|---|---|
| Due in one year or less | $ 12,144 |
| Due in one year or less | 12,161 |
| Due in one to two years | 9,222 |
| Due in one to two years | 9,290 |
| Total | 21,366 |
| Total | $ 21,451 |