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3 - Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Tables)
12 Months Ended
Dec. 31, 2018
Tables/Schedules  
Schedule of Deferred Tax Assets and Liabilities

 

 

2018

 

2017

 

 

 

 

Depreciation and amortization

$  (1,190,597)

 

  $ (988,334)

Inventory

        164,220 

 

     149,460 

Accrued vacation

          74,177 

 

       70,973 

Allowance for doubtful accounts

          31,500 

 

       31,500 

Other, net

              (384)

 

           (683)

 

$     (921,084)

 

  $ (737,084)