Warrants (Details Textual) - $ / shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Dec. 31, 2018 |
|
| Class of Warrant or Right [Line Items] | ||
| Class of Warrant or Right, Outstanding | 7,128,176 | 7,136,078 |
| Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 2.62 | |
| Convertible Preferred Stock Maximum Beneficial Ownership Percentage | 9.99% | |
| Warrant [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Expirations | 7,902 |
| X | ||||||||||
- Definition Convertible Preferred Stock, Maximum Beneficial Ownership, Percentage No definition available.
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 warrants or rights outstanding. 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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- Details
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