|
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, 2011
|
|---|---|
| Due in one year or less | $ 12,095 |
| Due in one year or less | 11,956 |
| Due in one to two years | 0 |
| Due in one to two years | 0 |
| Total | 12,095 |
| Total | $ 11,956 |