3 - Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Details
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)
Deferred Tax Assets and Liabilities	$ (921,084)	$ (737,084)

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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