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 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Operating Leased Assets [Line Items]        
Rent expense $ 180 $ 269 $ 387 $ 467
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