INCOME TAXES (Tables)
 12 Months Ended
Dec. 31, 2021
Income Tax Disclosure [Abstract]  
Schedule of components of income tax expense (benefit) [Table Text Block]
    2021     2020  
Current            
Federal $ 3,057,420   $ 1,140,900  
State   676,428     556,333  
    3,733,848     1,697,233  
Deferred            
Federal   307,300     (78,700 )
             
Income tax expense $ 4,041,148   $ 1,618,533  
Schedule of effective income tax rate reconciliation [Table Text Block]
    2021     2020  
Federal tax statutory rate   21.00%     21.00%  
State tax statutory rate   4.50%     8.85%  
Effect of prior year (over) under provision   1.00%     -1.43%  
Timing and permanent differences   -0.50%     1.10%  
Valuation Allowance   0.00%     1.10%  
    26.00%     30.62%  
Schedule of deferred tax assets and liabilities [Table Text Block]
    2021     2020  
Deferred tax assets:            
Accounts receivable $ 72,900   $ 25,500  
Inventory   29,000     29,100  
Payroll differences   105,500     95,000  
Net operating loss carryforwards   1,023,000     1,023,000  
Less valuation allowance   (1,023,000 )   (1,023,000 )
Deferred tax assets, net $ 207,400   $ 149,600  
Deferred tax liabilites:            
Depreciation   (436,000 )   (70,900 )
Deferred tax assets (liabilities), net $ (228,600 ) $ 78,700