OPTIONS AND WARRANTS TO PURCHASE COMMON STOCK (Details 5)	12 Months Ended
Dec. 31, 2020 $ / shares shares
Number of Options Outstanding	56,661,515
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	5 years 1 month 20 days
Weighted Average Exercise Price, Outstanding \| $ / shares	$ 0.28
Number of Options Exercisable	55,133,044
Options Exercisable, Weighted Average Remaining Contracrual Life (Year)	5 years 1 month 2 days
Weighted Average Exercise Price, Exercisable \| $ / shares	$ 0.29
Range of Exercise Prices (0.04 - 0.08) [Member]
Number of Options Outstanding	38,488,570
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	6 years 8 months 4 days
Weighted Average Exercise Price, Outstanding \| $ / shares	$ 0.06
Number of Options Exercisable	36,960,099
Options Exercisable, Weighted Average Remaining Contracrual Life (Year)	6 years 8 months 1 day
Weighted Average Exercise Price, Exercisable \| $ / shares	$ 0.06
Range of Exercise Prices (0.04 - 0.08) [Member] \| Maximum [Member]
Number of Options Exercisable	0.08
Range of Exercise Prices (0.04 - 0.08) [Member] \| Minimum [Member]
Number of Options Exercisable	0.04
Range of Exercise Prices (0.10 - 0.84) [Member]
Number of Options Outstanding	13,230,885
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	1 year 11 months 8 days
Weighted Average Exercise Price, Outstanding \| $ / shares	$ 0.42
Number of Options Exercisable	13,230,885
Options Exercisable, Weighted Average Remaining Contracrual Life (Year)	1 year 11 months 8 days
Weighted Average Exercise Price, Exercisable \| $ / shares	$ 0.42
Range of Exercise Prices (0.10 - 0.84) [Member] \| Maximum [Member]
Number of Options Exercisable	0.84
Range of Exercise Prices (0.10 - 0.84) [Member] \| Minimum [Member]
Number of Options Exercisable	0.10
Range of Exercise Prices (1.10 - 1.90) [Member]
Number of Options Outstanding	4,942,060
Options Outstanding, Weighted Average Remaining Contractual Life (Year)	1 year 8 months 19 days
Weighted Average Exercise Price, Outstanding \| $ / shares	$ 1.63
Number of Options Exercisable	4,942,060
Options Exercisable, Weighted Average Remaining Contracrual Life (Year)	1 year 8 months 19 days
Weighted Average Exercise Price, Exercisable \| $ / shares	$ 1.63
Range of Exercise Prices (1.10 - 1.90) [Member] \| Maximum [Member]
Number of Options Exercisable	1.90
Range of Exercise Prices (1.10 - 1.90) [Member] \| Minimum [Member]
Number of Options Exercisable	1.10

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(iii)
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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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-Publisher FASB
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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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