v2.4.0.6
Advances and other assets consists (Detail) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Schedule Of Other Assets [Line Items]    
Other assets before allowance $ 9,786,000 $ 6,340,000
Less: allowance for uncollectible loans and advances (350,000) (200,000)
Other Assets 9,436,000 6,140,000
Less: current portion (3,666,000) (1,589,000)
Advances and other assets, net of current portion 5,770,000 4,551,000
Signing bonuses to independent sales agents
   
Schedule Of Other Assets [Line Items]    
Other Assets 2,320,000 1,914,000
Non-interest bearing advances to independent sales
   
Schedule Of Other Assets [Line Items]    
Other Assets 400,000 425,000
Loans to independent sales agents bearing interest
   
Schedule Of Other Assets [Line Items]    
Other Assets 2,482,000 2,031,000
Sales-type leases
   
Schedule Of Other Assets [Line Items]    
Other Assets 2,191,000 672,000
Due from independent sales agents and employees
   
Schedule Of Other Assets [Line Items]    
Other Assets $ 2,393,000 $ 1,298,000