Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Jun. 30, 2019 |
|---|---|---|
| Accounts receivable, allowance for doubtful accounts | $ 1,011 | $ 980 |
| 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, par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Common stock, shares authorized (in shares) | 100,000,000 | 100,000,000 |
| Common stock, shares issued (in shares) | 38,282,251 | 37,934,040 |
| Common stock, shares outstanding (in shares) | 38,282,251 | 37,934,040 |
| X | ||||||||||
- Definition Represents the no par value for undesignated capital stock. No definition available.
|
| X | ||||||||||
- Definition Represents the shares authorized for undesignated capital stock. No definition available.
|
| X | ||||||||||
- Definition Represents the shares issued for undesignated capital stock. No definition available.
|
| X | ||||||||||
- Definition Represents the shares outstanding for undesignated capital stock. No definition available.
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|