Quarterly report pursuant to Section 13 or 15(d)

Cash and Cash Equivalents (Details)

v3.10.0.1
Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Sep. 30, 2017
Cash and Cash Equivalents [Abstract]      
Cash on deposit at banks $ 10,213 $ 1,667  
Money market funds 1,408 2,212  
Cash and cash equivalents $ 11,621 $ 3,879 $ 2,146