Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details) - Schedule of net deferred tax (liabilities)/assets

v3.20.4
Income Taxes (Details) - Schedule of net deferred tax (liabilities)/assets - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Schedule of net deferred tax (liabilities)/assets [Abstract]    
Inventory capitalization $ 2,100 $ 2,300
Allowance for doubtful accounts 107,400 107,400
Accrued expenses 110,400 138,100
Charitable contribution 5,300
Net operating loss carryforward 613,700 1,814,300
Accumulated depreciation (2,428,200) (2,330,900)
Deferred revenue 1,027,200 526,800
Start-up costs 1,667,200
Deferred tax assets, net $ 1,099,800 $ 263,300