Quarterly report pursuant to Section 13 or 15(d)

Lease Obligations (Details Textual)

v3.8.0.1
Lease Obligations (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Debt Instrument [Line Items]    
Long-term Debt, Gross $ 6,856  
Operating Leases, Rent Expense, Net, Total $ 143 $ 101
Lessee Leasing Arrangements, Operating Leases, Term of Contract 5 years  
Lessee Leasing Arrangements, Operating Leases, Renewal Term 5 years  
Capital Lease Obligations [Member]    
Debt Instrument [Line Items]    
Long-term Debt, Gross $ 166  
Debt Instrument, Interest Rate, Stated Percentage 4.70%  
Debt Instrument, Maturity Date Jul. 01, 2020  
Debt Instrument Minimum Monthly Payments $ 3