Commitments and Contingencies - Additional Information (Detail) (USD $)	6 Months Ended	1 Months Ended	12 Months Ended
	Dec. 31, 2012 Agency Site	Feb. 28, 2013 Retainer and Meeting Fees Messrs. Swenson, Cabillot and Farrell waived amount	Jun. 30, 2012 AO Partners Group
Commitment And Contingencies [Line Items]
Outstanding common stock			22.00%
Employees termination time period	12 months
Employees insurance coverage cost	100.00%
Compensation aggregate of senior management	$ 1,100,000
Annual retainer for Director	24,000
Additional annual retainer for the Board Chairman or Lead Director	7,000
Additional annual retainer for each Board Committee Chair	5,000
Participation fees minimum	500	200
Participation fees maximum	1,000
Option grant for purchase of common stock upon director's initial election	15,000
Option grant for purchase of common stock upon director's initial re-election	10,000
Annual meeting participation fees, per year		$ 2,000
Number of agencies under the agreement	2
Number of sites as per the report	25