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Organization and Description of Business (Details Textual) - USD ($)
1 Months Ended
Jul. 20, 2018
Feb. 27, 2018
Jun. 30, 2018
Dec. 31, 2017
Organization and Description of Business [Line Items]        
Proceeds from Issuance of Common Stock   $ 11,900,000    
Accumulated deficit     $ (54,678,000) $ (50,011,000)
Subsequent Event [Member]        
Organization and Description of Business [Line Items]        
Proceeds from Issuance of Common Stock $ 11,600,000