Quarterly report pursuant to sections 13 or 15(d)

Goodwill (Detail)

v2.4.0.6
Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Dec. 31, 2012
Mar. 31, 2012
Goodwill [Line Items]          
Goodwill Beginning Balance $ 4,537 $ 3,640 $ 3,640 $ 3,640  
Acquisition unaudited   897      
Goodwill impairment            2,969
Goodwill Ending Balance $ 4,537 $ 4,537 $ 3,640 $ 4,537 $ 3,640