Quarterly report pursuant to Section 13 or 15(d)

Related Party (Details Textual)

v3.10.0.1
Related Party (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Related Party Transaction [Line Items]          
Related Party Transaction, Expenses from Transactions with Related Party $ 70 $ 100 $ 260 $ 260  
Accounts Payable, Related Parties $ 0   $ 0   $ 100