Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Unrecognized Uncertain Tax Positions (Details)

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Income Taxes - Schedule of Unrecognized Uncertain Tax Positions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Balance at beginning of year $ 772 $ 734
Increases for current year tax positions 70 75
Increases for prior year tax positions 17  
Decrease for prior year tax positions   (37)
Balance at end of year $ 859 $ 772