XML 129 R115.htm IDEA: XBRL DOCUMENT v3.7.0.1
Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Commitments and Contingencies [Line Items]      
Long-Term Contracts, Contract Price $ 5,153 $ 5,355  
Long-Term Contracts, Commitments Amount 3,760 4,086  
Security Deposit 1,091 1,256  
Operating Leases, Rent Expense, Net 2,148 2,082 $ 2,126
Contractual Obligation $ 89,179 $ 95,210  
Lease Expiration Period The lease arrangement will expire gradually from 2017 to 2024    
Minimum [Member]      
Commitments and Contingencies [Line Items]      
Sales Commissions Percentage 0.50%    
Maximum [Member]      
Commitments and Contingencies [Line Items]      
Sales Commissions Percentage 2.00%