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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2020

Income Tax Disclosure [Abstract]

Schedule of Deferred Tax Assets

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets at December 31, 2020 and 2019 are presented below:

		2020				2019
Deferred tax assets:
Depreciation		$	117,000			$	102,000
Allowance for bad debts			202,000				243,000
Net operating loss carry-forwards			14,755,000				15,314,000
Stock option expense			403,000				354,000
Research and other credits			952,000				1,099,000
Other temporary differences			15,000				15,000
Total gross deferred tax assets			16,444,000				17,127,000
Less valuation allowance			(16,444,000	)			(17,127,000	)
		$	-			$	-

Schedule of Reconciliation Income Tax Expenses Benefit

The reconciliation of the income tax expense (benefit) computed at the Federal statutory tax rates to income tax expense (benefit) is as follows:

		2020				2019
Income tax provision at federal statutory rate		$	(485,000	)		$	(800,000	)
Permanent differences			(43,000	)			136,900
Credits			-				(5,000	)
Expired carryforwards and other			1,211,000				823,100
Valuation allowance			(683,000	)			(155,000	)
		$	-			$	-

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- References

No definition available.

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- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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