Stockholders' Equity - Summary of Shareholders Equity Warrants Outstanding (Details) - Warrants [Member] - shares |
3 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Mar. 31, 2019 |
Dec. 31, 2018 |
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| Stock Holders Equity [Line Items] | ||||||||
| Outstanding, beginning | 5,799,000 | [1] | 5,958,000 | [2] | ||||
| Issued | 240,000 | |||||||
| Exercised | ||||||||
| Tendered | ||||||||
| Expired | (399,000) | |||||||
| Outstanding, ending | [1] | 5,799,000 | 5,799,000 | |||||
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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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