XML 17 R48.htm IDEA: XBRL DOCUMENT v2.4.0.6
COMPREHENSIVE INCOME (LOSS) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
COMPREHENSIVE INCOME (LOSS) [Abstract]                      
Net income (loss) $ (311) $ 881 $ 935 $ 674 $ 133 $ (1,705) $ 693 $ (1,978) $ 2,179 $ (2,857) $ (655)
Other comprehensive income (loss) [Abstract]                      
Reclassification adjustment for realized gains on marketable securities, included in net income, net of income taxes                 (1,009) [1] (526) [1] (189) [1]
Reclassification adjustment for unrealized losses on marketable securities, included in net income, net of income taxes                 44 [2] 196 [2] 37 [2]
Change in fair value of marketable securities, net of income taxes                 495 [3] 629 [3] 1,495 [3]
COMPREHENSIVE INCOME (LOSS)                 $ 1,709 $ (2,558) $ 688
[1] Net of deferred income taxes of $(618), $(322) and $(125), respectively.
[2] Net of deferred income taxes of $27, $120 and $24, respectively.
[3] Net of deferred income taxes of $304, $386 and $842, respectively.