Warrants (Details) - Warrant [Member] - $ / shares |
12 Months Ended | |
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Dec. 31, 2015 |
Dec. 31, 2014 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Outstanding at January 1 | 1,564,108 | 1,659,922 |
| Warrants, Granted | 0 | 0 |
| Warrants, Exercised | (156,106) | (95,814) |
| Warrants, Forfeited/Expired | 0 | 0 |
| Outstanding at December 31 | 1,408,002 | 1,564,108 |
| Outstanding at January 1 | $ 4.48 | $ 4.36 |
| Weighted Average Exercise Price, Granted (in dollars per share) | 0 | 0 |
| Weighted Average Exercise Price, Exercised (in dollars per share) | 3.72 | 2.27 |
| Weighted Average Exercise Price, Forfeited/Expired/Exchanged (in dollars per share) | 0 | 0 |
| Outstanding at December 31 | $ 4.57 | $ 4.48 |
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- 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.
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- 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
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- Definition Weighted average price of options that were either forfeited or expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- 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
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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