Annual report pursuant to Section 13 and 15(d)

Marketable Securities Schedule Of Marketable Securities (Details)

v2.4.0.8
Marketable Securities Schedule Of Marketable Securities (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Marketable Securities [Line Items]    
Cost $ 13,250 $ 21,496
Gross Unrealized Gains 0 1
Gross Unrealized Losses (17) (1)
Available-for-sale Securities 13,233 21,496
Certificates of Deposit
   
Marketable Securities [Line Items]    
Cost 13,250 6,500
Gross Unrealized Gains 0 0
Gross Unrealized Losses (17) (1)
Available-for-sale Securities 13,233 6,499
US Treasury Bill Securities
   
Marketable Securities [Line Items]    
Cost   14,996
Gross Unrealized Gains   1
Gross Unrealized Losses   0
Available-for-sale Securities   $ 14,997