|
Note 8 - Shareholders' Equity (Details) - Stock retired and repurchased (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2011
|
|
| Note 8 - Shareholders' Equity (Details) - Stock retired and repurchased [Line Items] | |||
| Common shares repurchased | 0 | 79,293 | 204,286 |
| Cost to repurchase common shares (in Dollars) | $ 1,350,000 | $ 5,377,000 | |
| Average price per share (in Dollars per share) | $ 0 | $ 17.02 | $ 13.65 |
|
Accrual Basis [Member]
|
|||
| Note 8 - Shareholders' Equity (Details) - Stock retired and repurchased [Line Items] | |||
| Cost to repurchase common shares (in Dollars) | $ 0 | $ 1,349,557 | $ 2,787,777 |