Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v2.4.0.8
Commitments and Contingencies - Additional Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Operating Leased Assets [Line Items]    
Rent expense $ 207 $ 198
Maximum
   
Operating Leased Assets [Line Items]    
Period of salary continuation upon termination 36 months  
Minimum
   
Operating Leased Assets [Line Items]    
Period of salary continuation upon termination 24 months