Annual report pursuant to Section 13 and 15(d)

Commitments And Contingencies (Narrative) (Details)

v3.7.0.1
Commitments And Contingencies (Narrative) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Commitments and Contingencies [Line Items]        
Rent expense   $ 620,000 $ 517,000 $ 546,000
Accrued (income)/expense for long-term compensation plans   16,000 0 0
Accrual for long-term compensation plans   16,000 0  
Long-term compensation plan, payments for awards   $ 0 0 $ 199,000
Long-term compensation plan, percentage paid out in cash, cycle 1   25.00%    
Long-term compensation plan, percentage paid out in stock, cycle 1   75.00%    
Long-term compensation plan, percentage paid out in stock, cycle 2   100.00%    
Long-term compensation plan, percentage paid out in cash, cycle 3   50.00%    
Long-term compensation plan, percentage paid out in stock, cycle 3   50.00%    
Mortgage [Member]        
Commitments and Contingencies [Line Items]        
Interest rate   6.83%    
Payment to settle mortgage $ 104,000      
Line of Credit [Member]        
Commitments and Contingencies [Line Items]        
Line of credit, amount outstanding   $ 0 $ 0  
Line of credit, maximum borrowing capacity   15,000,000    
Line of credit, remaining borrowing capacity   $ 10,901,000    
Line of credit, basis spread on variable rate   2.00%    
Line of credit facility, interest rate at period end   2.80%    
Maximum [Member]        
Commitments and Contingencies [Line Items]        
Operating lease terms   5 years    
Minimum [Member]        
Commitments and Contingencies [Line Items]        
Operating lease terms   1 year    
Minimum [Member] | Line of Credit [Member]        
Commitments and Contingencies [Line Items]        
Line of credit, covenant, liquidity requirement   $ 10,000,000