Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands |
Sep. 30, 2016 |
Jun. 30, 2016 |
|---|---|---|
| Allowance for doubtful accounts | $ 626 | $ 555 |
| Common stock authorized (in shares) | 100,000,000 | 100,000,000 |
| Common stock issued (in shares) | 37,301,380 | 37,253,771 |
| Common stock outstanding (in shares) | 37,301,380 | 37,253,771 |
| Common stock par value (in dollars per share) | $ 0.01 | $ 0.01 |