|
Note 2 - Balance Sheet Details (Details Textual) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2015
|
|---|---|
| Available-for-sale Securities, Debt Maturities, Next Rolling Twelve Months, Fair Value | $ 18.5 |
| Available for Sale Securities Debt Maturities Rolling Year Two Fair Value | $ 1.2 |