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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Property and Equipment (Details) - USD ($)	3 Months Ended		9 Months Ended
Property and Equipment (Details) - USD ($)	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 14,414,266		$ 14,414,266		$ 13,242,050
Less: accumulated depreciation and amortization	(12,991,844)		(12,991,844)		(12,054,989)
Total	1,422,422		1,422,422		1,187,061
Depreciation expense	325,112	$ 335,769	944,746	$ 1,053,802
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	293,152		293,152		293,152
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,129,835		1,129,835		1,052,199
Capitalized internal use and purchased software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	12,532,394		12,532,394		11,475,683
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 458,885		$ 458,885		$ 421,016