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Organization and Description of Business (Details) - USD ($)
1 Months Ended
Jul. 20, 2018
Feb. 27, 2018
Jun. 30, 2019
Dec. 31, 2018
Organization and Description of Business        
Proceeds from Issuance of Common Stock $ 11,600,000 $ 11,900,000    
Accumulated deficit     $ (64,266,000) $ (59,511,000)