Other Liabilities (Details) $ in Thousands					1 Months Ended	6 Months Ended	12 Months Ended
	Apr. 07, 2020 USD ($)	Apr. 06, 2020	Dec. 09, 2019 USD ($)	Sep. 11, 2019 USD ($)	Jun. 30, 2019 USD ($) payment	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($) payment
Other Liabilities
Autlan refundable deposit						$ 489	$ 1,251
Premium financing						264	455
Office lease liability						117	118
Other current liabilities						$ 870	$ 1,824
Repayments of deposits	$ 81		$ 257
Refundable Deposit Interest Rate	12.00%	11.00%				11.00%
Repayment of refundable deposit				$ 1,500		$ 1,000
Interest paid on refundable deposit						57
Refundable deposit outstanding including accrued interest						500
Interest expense on refundable deposit						38
Premium amount					$ 151
Amount Financed For Premium Outstanding Balance						0
Number of payment | payment					12		12
Premium interest rate					5.74%		5.74%
Insurance premium payable						264	$ 482
Other long term liabilities						$ 412	$ 494