Property and Equipment (Details) - USD ($)	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 72,718,010	$ 68,525,287
Less accumulated depreciation and amortization	(46,377,973)	(43,764,179)
Total	26,340,037	24,761,108
Depreciation	6,945,581	7,147,966	$ 6,608,348
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	100,443	100,443
Building and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	17,882,214	17,048,098
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 54,735,353	$ 51,376,746

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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