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INCOME TAXES (Tables)
12 Months Ended
Dec. 31, 2020
Income Tax Disclosure [Abstract]  
The provision (benefit) for income taxes consists of the following

The provision (benefit) for income taxes consists of the following:

 

Year ended December 31,   2020   2019 
Current:           
Federal   $(57,788)  $ 
State    4,374    3,877 
Deferred:           
Federal         
State         
Total   $(53,414)  $3,877 
The difference between the income tax provision computed at the federal statutory rate and the actual tax provision (benefit) is accounted for as follows

The difference between the income tax provision computed at the federal statutory rate and the actual tax provision (benefit) is accounted for as follows:

 

December 31,  2020   2019 
Taxes computed at the federal statutory rate  $(778,715)  $(1,418,363)
State income tax, net   3,454    3,890 
Research and development tax credit   (210,374)   (180,813)
Change in valuation allowance   943,047    1,533,479 
Other       10,870 
Refund from IRS audit   (57,787)    
Permanent differences   46,961    54,814 
Provision(benefit) for income taxes  $(53,414)  $3,877 
The components of deferred income tax assets and liabilities are as follows

The components of deferred income tax assets and liabilities are as follows:

 

Deferred Tax Assets:  2020   2019 
Allowance for doubtful accounts  $56,884   $50,100 
Credit carryforwards   1,758,809    1,435,543 
Inventory reserve   1,046,890    637,396 
Loss contracts reserve   260,780    285,367 
Restricted stock   189,072    87,976 
Other   18,654    15,238 
Acquisition costs   93,063    100,774 
Lease liability   950,141    934,463 
Disallowed interest expense   909,800    749,228 
Net operating loss carryforward   20,953,330    21,016,334 
Deferred tax assets   26,237,423    25,312,419 
           
Valuation allowance   (22,704,931)   (21,632,564)
           
Deferred Tax Liabilities:          
Prepaid expenses   115,437    114,738 
Revenue recognition   2,086,045    2,133,348 
Property and equipment   441,590    588,252 
ROU asset   889,420    843,517 
Deferred tax liabilities  $3,532,492   $3,679,855 
Net deferred tax assets (liabilities)  $   $