Warrants (Details) - 6 months ended Jun. 30, 2015 - Warrant [Member] - $ / shares |
Total |
|---|---|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Warrants, Outstanding | 1,564,108 |
| Warrants, Granted | 0 |
| Warrants, Exercised | (32,362) |
| Warrants, Forfeited/Expired/Exchanged | 0 |
| Warrants, Outstanding | 1,531,746 |
| Outstanding at December 31, 2014 | $ 4.48 |
| Weighted Average Exercise Price, Granted (in dollars per share) | 0 |
| Weighted Average Exercise Price, Exercised (in dollars per share) | 3.48 |
| Weighted Average Exercise Price, Forfeited/Expired/Exchanged (in dollars per share) | 0 |
| Outstanding at June 30, 2015 | $ 4.50 |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Weighted average price of options that were either forfeited or expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
|
| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
|
| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|