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Stock options and warrants (Subsequent Issuances) (Narrative) (Details) (USD $)
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3 Months Ended |
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Mar. 24, 2014
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Independent Directors [Member]
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| Subsequent Event [Line Items] | |
| Expiration period | 10 years |
| Options granted | 221,000 |
| Options granted, exercise price | $ 2.27 |
| Vesting period | 1 year |
| Vesting rate | 25.00% |
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Existing officers and employees [Member]
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| Subsequent Event [Line Items] | |
| Expiration period | 10 years |
| Options granted | 406,600 |
| Options granted, exercise price | $ 2.28 |
| Vesting period | 2 years |
| Vesting rate | 50.00% |
| Percent of shares vesting in equal increments over six months after the six month anniversary from grant date | 50.00% |
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Consultant [Member]
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| Subsequent Event [Line Items] | |
| Expiration period | 10 years |
| Options granted | 25,000 |
| Options granted, exercise price | $ 2.38 |
| Vesting period | 2 years |
| Vesting rate | 50.00% |
| Percent of shares vesting in equal increments over six months after the six month anniversary from grant date | 50.00% |
| X | ||||||||||
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- Definition
Remaining shares issued that vest in equal portions over the next six months after the six month anniversary from the grant date, presented as a percentage of shares issued. No definition available.
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- Definition
Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of vesting of share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. 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
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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- Details
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