Stock Based Compensation - Schedule of Stock Option Activity (Details) - Stock Options [Member] |
6 Months Ended |
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Jun. 30, 2018
$ / shares
shares
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Number of Options, Outstanding at Beginning | shares | 11,433,000 |
| Number of Options, Granted | shares | 1,782,000 |
| Number of Options, Forfeited | shares | 504,000 |
| Number of Options, Cancelled | shares | 577,000 |
| Number of Options, Outstanding at Ending | shares | 12,134,000 |
| Weighted average Exercise Price, Outstanding at Beginning | $ / shares | $ 1.40 |
| Weighted average Exercise Price, Granted | $ / shares | 0.81 |
| Weighted average Exercise Price, Forfeited | $ / shares | 2.75 |
| Weighted average Exercise Price, Cancelled | $ / shares | 1.02 |
| Weighted average Exercise Price, Outstanding at Ending | $ / shares | $ 1.27 |
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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 Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. 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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