v2.4.0.8
Available for Sale Securities (Schedule of Available-for-sale Securities Reconciliation) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost $ 17,669 $ 17,708
Gross unrealized gains 307 213
Gross unrealized losses (24) (158)
Fair value 17,952 17,763
U.S. Treasury securities and obligations of U.S. government authorities and agencies
   
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 10,902 11,965
Gross unrealized gains 175 140
Gross unrealized losses (22) (116)
Fair value 11,055 11,989
Corporate securities
   
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 6,602 5,567
Gross unrealized gains 129 71
Gross unrealized losses (2) (42)
Fair value 6,729 5,596
Certificates of deposit
   
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 100 100
Gross unrealized gains 0 0
Gross unrealized losses 0 0
Fair value 100 100
Asset-backed securities
   
Schedule of Available-for-sale Securities [Line Items]    
Amortized cost 65 76
Gross unrealized gains 3 2
Gross unrealized losses 0 0
Fair value $ 68 $ 78