Quarterly report pursuant to Section 13 or 15(d)

Related Party (Details Textual)

v3.8.0.1
Related Party (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Related Party Transaction [Line Items]      
Related Party Transaction, Expenses from Transactions with Related Party $ 189,000 $ 127,000  
Accounts Payable, Related Parties $ 122,000   $ 102,000