Quarterly report pursuant to sections 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v2.4.0.8
Subsequent Events - Additional Information (Detail) (USD $)
1 Months Ended 0 Months Ended
Oct. 31, 2013
Oct. 03, 2013
Subsequent Event [Member]
Areas
Subsequent Event [Line Items]    
Number of Metropolitan Statistical Areas   9
Reduction of contract price from current rates in MSAs $ 250,000