Income Taxes - Schedule of the Deferred Tax Assets and Liabilities (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Net operating loss carry forward	$ 36,484,500	$ 32,742,350
Intangible assets	447,700	686,400
Accrued expense	211,600	223,100
Deferred rent	18,000	15,700
Allowance for doubtful accounts	58,800	61,700
Other	472,500	258,600
Subtotal	37,693,100	33,987,850
Less valuation allowance	(35,848,400)	(32,075,650)
Total	1,844,700	1,912,200
Deferred tax liabilities:
Intangible assets and property and equipment	1,449,900	1,989,800
Other	501,800	29,400
Total	1,951,700	2,019,200
Total deferred tax liabilities	$ 107,000	$ 107,000