Selected Balance Sheet Accounts (Details 3) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Accrued expenses and other current liabilities
Accrued employee-related benefits	$ 1,928	$ 1,004
Other accrued expenses	617	1,264
Amounts due to customers	338	355
Other current liabilities	302	696
Total other accrued expenses and other current liabilities	1,257	2,315
Total accrued expenses and other current liabilities	$ 3,185	$ 3,319