Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

v3.6.0.2
Commitments and Contingencies (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Commitments and Contingencies      
Operating Leases, Rent Expense $ 257,000 $ 211,000 $ 209,000