Annual report pursuant to Section 13 and 15(d)

Operating Leases (Details Textual)

v3.10.0.1
Operating Leases (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Sublet [Member]    
Operating Leased Assets [Line Items]    
Lease Income $ 154  
Langhorne [Member]    
Operating Leased Assets [Line Items]    
Operating Leases, Rent Expense 207 $ 207
Yardley [Member]    
Operating Leased Assets [Line Items]    
Operating Leases, Rent Expense $ 230 $ 218