Intangible Assets (Details) - USD ($)	Mar. 31, 2019	Mar. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 46,347,661	$ 36,124,153
Accumulated Amortization	(31,007,508)	(29,479,852)
Finite-Lived Intangible Assets, Net	15,340,153	6,644,301
Estimated amortization expense for intangible assets for future years [Abstract]
2014	2,300,000
2015	2,300,000
2016	2,300,000
2017	2,200,000
2018	2,000,000
Thereafter	4,200,000
Cost of acquiring existing customers [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	37,183,018	27,494,510
Accumulated Amortization	(22,509,921)	(21,098,875)
Finite-Lived Intangible Assets, Net	14,673,097	6,395,635
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	9,164,643	8,629,643
Accumulated Amortization	(8,497,587)	(8,380,977)
Finite-Lived Intangible Assets, Net	$ 667,056	$ 248,666