XML 31 R31.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements (Details 1) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Summary of the change in the balance of the Company's asset measured at fair value on a recurring basis using significant unobservable inputs (Level 3)    
Balance, beginning of period, Assets $ 299   
Total gains (losses) (realized or unrealized) included in earnings in ''Direct cost of revenues'', Assets 335 275
Purchases, sales, issuances and settlements: Assets    
Purchases, Assets    359
Transfers in (out) of Level 3, Assets      
Balance, end of period, Assets 634 634
The amount of total gains or losses for the period included in earnings in ''Direct cost of revenues'' attributable to the change in unrealized gains or losses relating to asset and liabilities held at the end of the period, Assets 354 325
Summary of the change in the balance of the Company's liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3)    
Balance, beginning of period, Liabilities (20)   
Total gains (losses) (realized or unrealized) included in earnings in ''Direct cost of revenues'', Liabilities (555) (575)
Purchases, sales, issuances and settlements: Liabilities    
Purchases, Liabilities      
Transfers in (out) of Level 3, Liabilities      
Balance, end of period, Liabilities (575) (575)
The amount of total gains or losses for the period included in earnings in "Direct cost of revenues" attributable to the change in unrealized gains or losses relating to assets and liabilities held at the end of the period $ (575) $ (575)