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Related Party Transactions (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Jan. 31, 2018
Mar. 31, 2018
Mar. 31, 2017
Related Party Transaction [Line Items]      
Proceeds from sale of property and equipment   $ 20 $ 0
Member of the Board of Directors [Member]      
Related Party Transaction [Line Items]      
Accrued consulting services   $ 48  
Director of Inotek Former Corporate Headquarters [Member]      
Related Party Transaction [Line Items]      
Proceeds from sale of property and equipment $ 20