XML 44 R36.htm IDEA: XBRL DOCUMENT v2.4.0.8
Intangible Assets, Net - Amortization Expenses (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Finite Lived Intangible Assets Amortization [Line Items]        
Total amortization expenses $ 236 $ 196 $ 693 $ 658
Referral relationships [Member]
        
Finite Lived Intangible Assets Amortization [Line Items]        
Total amortization expenses 134 100 400 334
Non competition agreements [Member]
        
Finite Lived Intangible Assets Amortization [Line Items]        
Total amortization expenses $ 102 $ 96 $ 293 $ 324