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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Accounting Policies [Abstract]
Bad debt expense	$ 0	$ 30,000
Allowance for doubtful accounts	65,573		$ 64,989
Inventory obsolescence	7,312	20,116
Allowance for obsolete and slow-moving inventory	277,764		$ 276,603
Depreciation expense	$ 17,488	$ 15,762

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The valuation allowance as of the balance sheet date to reduce the gross amount of receivables to estimated net realizable value, which would be presented in parentheses on the face of the balance sheet.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of valuation reserve for inventory.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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