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Income Taxes - Schedule of Components of Deferred Taxes (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
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Deferred tax assets: |  |
Reserves | $ 51,147 | $ 23,735
Deferred compensation | 246,542 | 166,740
Stock compensation | 238,310 | 183,742
Deferred revenue | 64,232 | 132,814
Inventories | 184,802 | 212,226
Credits and loss carryforward | 4,202,769 | 4,314,653
Total deferred tax assets before valuation allowance | 4,987,802 | 5,033,910
Deferred tax liabilities: |  |
Property and equipment | (300,758) | (229,042)
Intangible assets | (593,254) | (602,277)
Other | (303,271) | (327,288)
Total deferred tax liabilities | (1,197,283) | (1,158,607)
Net deferred tax assets before valuation allowance | 3,790,519 | 3,875,303
Valuation allowance | (149,487) | (176,710)
Net deferred tax assets | $ 3,641,032 | $ 3,698,593

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