Total Unrecognized Compensation Costs Related to Non-Vested Stock-Based Compensation Arrangements (Detail) (USD $)	Jun. 30, 2014
Common stock options
Employee Service Share -Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized [Line Items]
Unrecognized compensation cost	$ 86,469
Restricted stock
Employee Service Share -Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized [Line Items]
Unrecognized compensation cost	182,860
ACO Plan restricted stock
Employee Service Share -Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized [Line Items]
Unrecognized compensation cost	$ 17,069