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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2019
Income Tax Disclosure [Abstract]  
Schedule of Deferred Tax Assets

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets at December 31, 2019 and 2018 are presented below:

 

    2019     2018  
Deferred tax assets:                
Depreciation   $ 102,000     $ 87,000  
Allowance for bad debts     243,000       234,000  
Net operating loss carry-forwards     15,314,000       15,528,000  
Stock option expense     354,000       257,000  
Research and other credits     1,099,000       1,161,000  
Other temporary differences     15,000       15,000  
Total gross deferred tax assets     17,127,000       17,282,000  
Less valuation allowance     (17,127,000 )     (17,282,000 )
    $ -     $ -  

Schedule of Reconciliation Income Tax Expenses Benefit

The reconciliation of the income tax expense (benefit) computed at the Federal statutory tax rates to income tax expense (benefit) is as follows:

 

    2019     2018  
Income tax provision at federal statutory rate   $ (800,000 )   $ (564,100 )
Permanent differences     136,900       73,000  
Credits     (5,000 )     (5,000 )
Expired carryforwards and other     823,100       640,000  
Valuation allowance     (155,000 )     (143,900 )
Total income tax provision   $ -     $ -