Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (KEYW Holding Corporation, USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
KEYW Holding Corporation
     
Warrants      
Number of warrants owned (in shares) 50,000 50,000  
Exercise price of warrants (in dollars per share) $ 9.253 $ 9.25  
Number of shares owned in investee (in shares)   1,900,000 3,100,000
Percentage of common stock owned   7.00% 12.00%
Fair vallue of common shares   $ 13,800,000  
Amount of sale of owned shares 14,000,000 2,100,000  
Number of shares sold 1,900,000 1,200,000  
Revenue earned from investee $ 2,400,000 $ 780,000 $ 668,000