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Overview and significant Accounting Policies (Details 1) - shares
Dec. 31, 2019
Dec. 31, 2018
Jan. 31, 2018
Jan. 30, 2018
Accounting Policies [Abstract]        
Common stock, shares authorized (in shares) 25,000,000 25,000,000 25,000,000 250,000,000
Preferred shares authorized (in shares) 1,000,000 1,000,000