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Reverse Stock Split (Details)
May 19, 2016
shares
Dec. 30, 2017
shares
Dec. 31, 2016
shares
May 18, 2016
shares
Class of Stock [Line Items]        
Common stock, shares authorized 20,000,000 20,000,000 20,000,000 200,000,000
Preferred stock, shares authorized 30,000,000      
Common Stock        
Class of Stock [Line Items]        
Stock split, conversion ratio 0.1