Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Details 2)

v3.20.4
Significant Accounting Policies (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Balance at beginning of period $ 22 $ 189
Charges to costs and expenses 12,031 434
Recoveries and write-offs (53) (601)
Balance at end of period $ 12,000 $ 22