Warrant Derivative Liabilities (Details 1) - USD ($) $ in Thousands	Jun. 30, 2020	May 10, 2020	Mar. 31, 2020	Aug. 22, 2019
Fair value of 1,000 March 17, 2017 warrants
Fair value of 1,850 May 22, 2017 warrants
Fair value of 2,565 March 16, 2018 warrants
Fair value of 2,969 August 14, 2018 warrants
Fair value of 3,922 August 22, 2019 warrants	15,620	$ 6,115		$ 1,576
Fair value of 1,379 November 11, 2019 warrants			543
Fair value of 5,882 January 27, 2020 warrants			2,232
Fair value of 200 April 15, 2020 warrants	551
Fair value of 50 April 15, 2020 warrants	138
Fair value of 1,000 April 16, 2020 warrants	2,753
Fair value of 5,882 May 10, 2020 warrants	15,620
Total	19,062		$ 2,775
Inception [Member]
Fair value of 1,000 March 17, 2017 warrants	4,609
Fair value of 1,850 May 22, 2017 warrants	7,772
Fair value of 2,565 March 16, 2018 warrants	3,023
Fair value of 2,969 August 14, 2018 warrants	2,892
Fair value of 3,922 August 22, 2019 warrants	1,576
Fair value of 1,379 November 11, 2019 warrants	1,107
Fair value of 5,882 January 27, 2020 warrants	3,701
Fair value of 200 April 15, 2020 warrants	84
Fair value of 50 April 15, 2020 warrants	21
Fair value of 1,000 April 16, 2020 warrants	419
Fair value of 5,882 May 10, 2020 warrants	$ 6,115