Stockholders' Equity - Summary of Shareholders Equity Warrants Outstanding (Details) - Warrants [Member] - shares |
12 Months Ended | |||||||
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Dec. 31, 2018 |
Dec. 31, 2017 |
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| Stock Holders Equity [Line Items] | ||||||||
| Outstanding, beginning | 5,958,000 | [1] | 40,250,000 | |||||
| Issued | 240,000 | |||||||
| Exercised | (3,331,000) | |||||||
| Tendered | (30,966,000) | |||||||
| Expired | (399,000) | |||||||
| Outstanding, ending | 5,799,000 | [2] | 5,958,000 | [1] | ||||
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- Definition Share based compensation arrangement by share based payment award non option equity instruments tendered. No definition available.
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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 non-option equity instruments exercised by participants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares under non-option equity instrument agreements for which rights to exercise lapsed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Net number of non-option equity instruments granted to participants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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