Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|
Jan. 31, 2020 |
Jun. 30, 2020 |
Jun. 30, 2020 |
Jun. 30, 2019 |
Dec. 31, 2019 |
|
| Equity Offering | |||||
| Common Stock shares, Outstanding | 97,223,180 | 97,223,180 | 57,378,794 | ||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 31,144,386 | 31,144,386 | |||
| Proceeds from Issuance of Common Stock | $ 0 | $ 466 | |||
| Net proceeds from the exercises of common stock warrants | 7,008 | 710 | |||
| Finance costs attributable to issuance of warrants | $ 211 | $ 0 | |||
| January 2020 Offering | |||||
| Equity Offering | |||||
| Stock Issued During Period, Shares, New Issues | 8,700,000 | ||||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 8,700,000 | ||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.25 | ||||
| Proceeds from Issuance of Common Stock | $ 1,900 | ||||
| Finance costs attributable to issuance of warrants | $ 211,000 | ||||
| X | ||||||||||
- Definition Adjustment for noncash service expenses paid for by granting of warrants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Details
|