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Total Unrecognized Compensation Costs Related to Non-Vested Stock-Based Compensation Arrangements (Detail)
Mar. 31, 2015
USD ($)
Common stock options  
Employee Service Share -Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized [Line Items]  
Unrecognized compensation cost $ 246,834
Restricted stock  
Employee Service Share -Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized [Line Items]  
Unrecognized compensation cost 72,440
ACO Plan restricted stock  
Employee Service Share -Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized [Line Items]  
Unrecognized compensation cost $ 27,720