|
Note 8 - Commitments and Contingencies (Detail) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2011
|
|
| Long-term Purchase Commitment, Amount | $ 63,600,000 | ||
| Letters of Credit Outstanding, Amount | 400,000 | ||
| Treasury Stock, Shares (in Shares) | 1,155,086 | 1,364,364 | |
| Contractual Obligation | $ 700,000 | ||
|
Held in Trust [Member]
|
|||
| Treasury Stock, Shares (in Shares) | 800,000 |