Note 7 - Restricted Stock Activity (Details) - Restricted Stock [Member] |
6 Months Ended |
|---|---|
|
Jun. 30, 2016
shares
| |
| Outstanding at December 31, 2015 (in shares) | 670,375 |
| Restricted stock awards granted (in shares) | 86,415 |
| Awards forfeited or exercised (in shares) | (115,436) |
| Outstanding at June 30, 2016 (in shares) | 641,354 |
| X | ||||||||||
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Net number of non-option equity instruments granted to participants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|