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Leases (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2019 | Sep. 30, 2019
Leases (Textual) |  |
Operating lease, description |  | Our leases have remaining lease terms of one year to three years, and our two primary operating leases include options to extend the leases for one to three years; those operating leases also include options to terminate the leases within one year.
Extended, description |  | Our corporate office lease is automatically renewed at a cost increase of 2% on a yearly basis, unless we provide written notice nine months prior to expiration date.
Short term lease costs | $ 27 | $ 93

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