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Prepaid Expenses and Other Current Assets (Detail Textuals) - USD ($)
6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Prepaid Expense And Other Assets [Line Items]    
Other current assets $ 236,000 $ 236,000
Other Income 170,000  
Receivables    
Prepaid Expense And Other Assets [Line Items]    
Other current assets $ 170,000