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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2019
Income Tax Disclosure [Abstract]  
Schedule Of Income Tax Benefit
Year Ended December 31   2019     2018  
Current taxes - Federal   $ -     $ 177,000  
Current taxes - State     38,000       48,000  
Deferred taxes - Federal     (437,000 )     227,000  
Deferred taxes - State     (67,000 )     32,000  
                 
Income tax expense (benefit)   $ (466,000 )   $ 484,000  
Reconciliation Of Effective Income Tax Rate Percentage
Year Ended December 31   2019     2018  
Federal statutory rate     21.0 %     21.0 %
                 
Stock-based awards     (0.8 )     0.6  
State taxes     3.2       2.8  
Other permanent differences     (0.1 )     0.7  
Impact of uncertain tax positions     (0.6 )     1.7  
Valuation allowance     (14.0 )     (1.6 )
Other     (0.2 )     0.5  
                 
Effective federal income tax rate     8.5 %     25.7 %
Schedule of Resulting Noncurrent Deferred Tax Assets (Liabilities)
As of December 31   2019     2018  
Deferred tax assets            
Accrued expenses   $ 105,000     $ 129,000  
Inventory reserve     5,000       3,000  
Stock-based awards     88,000       78,000  
Reserve for bad debts     16,000       5,000  
Net operating loss and credit carryforwards     715,000       39,000  
Other     26,000       23,000  
Valuation allowance     (848,000 )     (79,000 )
                 
Total deferred tax assets   $ 107,000     $ 198,000  
                 
Deferred tax liabilities                
Depreciation   $ (18,000 )   $ (635,000 )
Prepaid expenses     (89,000 )     (67,000 )
                 
Total deferred tax liabilities     (107,000 )     (702,000 )
                 
Net deferred income tax liabilities   $ -     $ (504,000 )
Reconciliation of the Liability for Uncertain Tax Positions
Balance at January 1, 2018   $ 581,000  
Increases due to interest and state tax     32,000  
Balance at December 31, 2018     613,000  
Increases due to interest and state tax     30,000  
Balance at December 31, 2019   $ 643,000