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StockBased Compensation (Details 1) - Restricted Stock Units - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Outstanding RSUs, beginning (in thousands) 131  
Granted 100  
Released (100)  
Outstanding RSUs, ending (in thousands) 131 131
Outstanding RSUs, granted $ 2.15  
Outstanding RSUs, released 2.15  
Outstanding RSUs, beginning 2.05  
Outstanding RSUs, ending $ 1.97 $ 2.05
Outstanding RSUs, weighted average remaining contractual term 2 months 12 days 8 months 12 days
Outstanding RSUs, aggregate intrinsic value $ 504 $ 287