CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (Parenthetical) - USD ($) $ in Thousands |
6 Months Ended | |
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Jun. 30, 2018 |
Jun. 30, 2017 |
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| Statement of Cash Flows [Abstract] | ||
| Expenses from sale of common stock | $ 95 | $ 1,168 |
| X | ||||||||||
- Definition The cash outflow for cost incurred directly with the issuance of an equity security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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