Discontinued operations (Details 1) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current Assets
Cash		$ 2
Other current assets	1	27
Total current assets of discontinued operations	1	29
Property and equipment	5	34
Total assets of discontinued operations	6	63
Current Liabilities
Accounts payable and accrued expenses		36
Deferred revenue		15
Loans payable		115
Finance contracts, due within one year		51
Notes payable - related parties	11	211
Total current liabilities disposal	$ 11	$ 428