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19. Share-based Compensation (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Stock-based compensation expense $ 315 $ 821 $ 2,726
Options [Member]      
Fair value of vested shares 351 690 1,382
Continuing Operations [Member]      
Stock-based compensation expense $ 315 $ 821 $ 2,726