Quarterly report pursuant to Section 13 or 15(d)

Lease Obligations (Details Textual)

v3.7.0.1
Lease Obligations (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Debt Instrument [Line Items]        
Long-term Debt, Gross $ 7,245   $ 7,245  
Operating Leases, Rent Expense, Net, Total 108 $ 102 209 $ 198
Capital Lease Obligations [Member]        
Debt Instrument [Line Items]        
Long-term Debt, Gross $ 166   $ 166  
Debt Instrument, Interest Rate, Stated Percentage 4.70%   4.70%  
Debt Instrument, Maturity Date     Jul. 01, 2020  
Debt Instrument Minimum Monthly Payments     $ 3  
Notes Payable, Other Payables [Member]        
Debt Instrument [Line Items]        
Debt Instrument, Maturity Date       Jun. 30, 2017