Quarterly report pursuant to Section 13 or 15(d)

Investments (Details)

v2.4.0.6
Investments (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Securities and investments recorded at fair value    
Securities and investments, amortized cost   $ 3,136
Securities and investments, unrealized gains   114
Securities and investments, unrealized losses 21 (21)
Securities and investments, fair value   3,229
Mutual funds [Member]
   
Securities and investments recorded at fair value    
Securities and investments, amortized cost 94 1,011
Securities and investments, unrealized gains 2 114
Securities and investments, unrealized losses      
Securities and investments, fair value 96 1,125
Auction Rate Preferred Securities in Municipal and State Agencies [Member]
   
Securities and investments recorded at fair value    
Securities and investments, amortized cost   2,125
Securities and investments, unrealized losses   (21)
Securities and investments, fair value   $ 2,104