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Leases (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Leases (Textual) |  |  |  |
Operating lease, description |  |  | Our leases have remaining lease terms of three months to 2.25 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 three months prior to expiration date. |
Short term lease costs | $ 27 | $ 32 | $ 51 | $ 66

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- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 + Details
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