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2 - Balance Sheet Details: Schedule of Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2020

Tables/Schedules

Schedule of Valuation and Qualifying Accounts

	December 31, 2020	December 31, 2019
Allowance for Doubtful Accounts:
Balance at beginning of year………………………….	$ 140,000	$   140,000
Charges to statement of income……………………...	35,774	4,895
Write-offs………………………………………………...	(5,774)	(4,895)
Balance at end of year…………………………………	$   170,000	$   140,000

	December 31, 2020	December 31, 2019
Inventory Valuation Reserves:
Balance at beginning of year………………………….	$     457,000	$     579,000
Charges to statement of income……………………...	155,058	(15,477)
Write-offs………………………………………………...	(12,058)	(106,523)
Balance at end of year…………………………………	$     600,000	$    457,000

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- Definition

The entire disclosure for valuation and qualifying accounts and reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 09

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

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- References

No definition available.

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