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STOCKHOLDERS' EQUITY - Common Stock (Details) - USD ($)				12 Months Ended
STOCKHOLDERS' EQUITY - Common Stock (Details) - USD ($)	Jun. 28, 2021	Apr. 23, 2019	Mar. 02, 2018	Dec. 31, 2021	Dec. 31, 2020	Nov. 12, 2021	Oct. 27, 2021	Mar. 02, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares authorized				300,000,000	200,000,000	301,000,000	201,000,000
Number of shares of common stock purchased			3,860,294
Exercise price			$ 0.2301
Proceeds from the exercise of stock warrants			$ 1,029,000	$ 12,868	$ 241,911
Proceeds from Issuance of Private Placement				$ 1,980,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				105,000
Stock Issued During Period, Value, Stock Options Exercised				$ 22,050
March Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock purchased		1,000,000	925,000
Exercise price								$ 0.125
Proceeds from the exercise of stock warrants		$ 125,000
Securities purchase agreement \| Series A Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock purchased	7,425,000
Exercise price	$ 0.24
Term of warrant	2 years
Securities purchase agreement \| Series A Warrants \| Placement Agent
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock purchased	634,375
Exercise price	$ 0.24
Term of warrant	2 years
Securities purchase agreement \| Series B Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock purchased	7,425,000
Exercise price	$ 0.28
Term of warrant	5 years
Securities purchase agreement \| Series B Warrants \| Placement Agent
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock purchased	634,375
Exercise price	$ 0.28
Term of warrant	5 years
Common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				105,000
Stock Issued During Period, Value, Stock Options Exercised				$ 105
Common stock \| Securities purchase agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate shares sold	9,900,000
Share price	$ 0.20
Common stock \| Private Placement \| Securities purchase agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from Issuance of Private Placement	$ 1,980,000
Common stock \| Private Placement \| Securities purchase agreement \| Investors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from Issuance of Private Placement	$ 0