Property and Equipment (Details) - USD ($)	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 67,988,598	$ 62,099,476
Less accumulated depreciation and amortization	(42,564,415)	(39,313,525)
Total	25,424,183	22,785,951
Depreciation	6,608,348	7,339,657	$ 6,918,525
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	576,977	576,977
Building and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	20,383,762	18,946,151
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 47,027,859	$ 42,576,348

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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