Investment in equity securities, Number of Shares, Cost and Fair Value of Investment (Details) $ in Thousands |
9 Months Ended | ||||
---|---|---|---|---|---|
Sep. 30, 2019
USD ($)
shares
|
Dec. 31, 2018
USD ($)
shares
|
||||
Investment in equity securities [Abstract] | |||||
Number of shares (in shares) | shares | 295,256 | [1] | 1,476,280 | ||
Cost | $ 3,667 | $ 3,667 | |||
Fair value | $ 1,529 | $ 3,656 | |||
Reverse stock split | 2.16 | ||||
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