| 
           Commitments and Contingencies (Details) (USD $) 
        In Millions, unless otherwise specified  | 
        1 Months Ended | 12 Months Ended | 1 Months Ended | 
|---|---|---|---|
| 
           Mar. 31, 2009
 
          Medicaid Agency 
         | 
        
           Sep. 30, 2012
 
          School MAX Customers
 
          More than 
         | 
        
           Jan. 31, 2014
 
          Norton et al
 
          More than
 
          Subsequent events 
         | 
      |
| Commitments and Contingencies | |||
| Amount of claim | $ 2.3 | $ 10.0 | $ 5.0 | 
| X | ||||||||||
| 
             
- Details 
          
  | 
        
| X | ||||||||||
| 
             
- Definition 
          The value (monetary amount) of the award the plaintiff seeks in the legal matter. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  |