Other Liabilities (Details) $ in Thousands				1 Months Ended	3 Months Ended	12 Months Ended
	Apr. 07, 2020 USD ($)	Dec. 09, 2019 USD ($)	Sep. 11, 2019 USD ($)	Jun. 30, 2019 USD ($) payment	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($) payment
Other Liabilities
Autlan refundable deposit					$ 740	$ 1,251
Premium financing					298	455
Office lease liability					112	118
Other current liabilities					$ 1,150	$ 1,824
Repayments of deposits	$ 81	$ 257
Refundable Deposit Interest Rate	12.00%				11.00%
Repayment of refundable deposit			$ 1,500		$ 800
Interest paid on refundable deposit					32
Refundable deposit outstanding including accrued interest					700
Interest expense on refundable deposit					23
Premium amount				$ 151
Amount Financed For Premium Outstanding Balance					13
Number of payment | payment				12		12
Premium interest rate				5.74%		5.74%
Insurance premium payable					285	$ 482
Other long term liabilities					$ 437	$ 494