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Shareholders' Equity - Textual (Details) - USD ($)
12 Months Ended
Aug. 16, 2017
Feb. 16, 2016
Dec. 31, 2019
Dec. 31, 2018
Equity [Abstract]        
Common stock, shares issued (in shares)     645,671 30,000
Weighted average issued price (in USD per share)     $ 1.60 $ 0.15
Period under program 1 year 1 year    
Authorized repurchase amount $ 5,000,000 $ 15,000,000    
Treasury stock (in shares)     12,253,502 12,253,502
Treasury stock, shares held at cost     $ 18,929,915 $ 18,929,915