Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands |
Jun. 30, 2016 |
Jun. 30, 2015 |
|---|---|---|
| Allowance for doubtful accounts | $ 555 | $ 487 |
| Undesignated capital stock, no par (in dollars per share) | $ 0 | $ 0 |
| Undesignated capital stock, shares authorized (in shares) | 5,000,000 | 5,000,000 |
| Undesignated capital stock, shares issued (in shares) | 0 | 0 |
| Undesignated capital stock, shares outstanding (in shares) | 0 | 0 |
| Common stock authorized (in shares) | 100,000,000 | 100,000,000 |
| Common stock issued (in shares) | 37,253,771 | 37,152,979 |
| Common stock outstanding (in shares) | 37,253,771 | 37,152,979 |
| Common stock par value (in dollars per share) | $ 0.01 | $ 0.01 |