SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Income Taxes (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Income Taxes [Abstract]
Deferred tax asset	$ 877,000	$ 877,000
Income tax expense	$ 0	$ 0
Effective income tax rate	0.00%	0.00%
Unrecognized tax benefits	$ 0	$ 0	$ 0
Accrued interest and penalties	$ 0	$ 0	$ 0

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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-Subparagraph (c)
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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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