Quarterly report pursuant to Section 13 or 15(d)

Schedule of Contract Balances (Details)

v3.21.2
Schedule of Contract Balances (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Accounting Policies [Abstract]    
Receivables, which are included in 'Accounts Receivable' $ 630 $ 131
Contract liabilities (deferred revenue) $ 57 $ 67