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v3.19.2

Organization, Description of Business and Liquidity and Capital Resources (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
Subsidiary, Sale of Stock [Line Items] |  |  |
Retained Earnings (Accumulated Deficit) | $ (99,082) | $ (99,082) | $ (79,070)
Common Stock, Shares, Issued | 39,454,316 | 39,454,316 | 26,610,183
Proceeds From Issuance of Common Shares, At-the-Market Offering |  | $ 22,515 |
Market Issuance |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Common Stock, Shares, Issued | 3,500,000 | 3,500,000 |
Stock Issued During Period Shares , At The Market Offering | 22,000,000 | 22,000,000 |
Proceeds From Issuance of Common Shares, At-the-Market Offering | $ 22,500 | $ 22,500 |
Sale of Stock, Price Per Share | $ 6.42 | $ 6.42 |
Public Offering |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Common Stock, Shares, Issued | 7,900,000 | 7,900,000 |
Stock Issued During Period Shares , At The Market Offering | 29,500,000 | 29,500,000 |
Proceeds From Issuance of Common Shares, At-the-Market Offering | $ 31,600 | $ 31,600 |
Sale of Stock, Price Per Share | $ 4.00 | $ 4.00 |

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