Intangible Assets

12 Months Ended

Mar. 31, 2013

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets

Intangible Assets

The following table provides the gross carrying amount and related accumulated amortization of definite-lived intangible assets:

	March 31, 2013				March 31, 2012
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Cost of acquiring existing customers	$	22,079,607	(17,650,898	)	$	21,628,792	(16,366,708	)
Value assigned to non-compete agreements	8,289,643		(8,093,520	)	8,229,643		(8,012,237	)
Total	$	30,369,250	(25,744,418	)	$	29,858,435	(24,378,945	)

The estimated amortization expense for intangible assets for future years ended March 31 is as follows: $1.0 million for 2014; $0.7 million for 2015; $0.5 million for 2016; $0.4 million for 2017; $0.3 million for 2018; and an aggregate of $1.7 million for the years thereafter.