Selected Balance Sheet Accounts (Details 3) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Balance Sheet Related Disclosures [Abstract]
Accrued employee-related benefits	$ 2,123	$ 1,351
Other accrued expenses and other current liabilities:
Other accrued expenses	143	532
Amounts due to customers	94	354
Other current liabilities	301	750
Total other accrued expenses and other current liabilities	538	1,636
Total accrued expenses and other current liabilities	$ 2,661	$ 2,987