STOCK WARRANTS AND OPTIONS (Details Narrative) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2013	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2003
Warrants Extended Expiration Date Description				On July 3, 2021, and effective retroactively to May 17, 2021, the Board of Directors authorized and approved the extension of the expiration dates of 2,050,000 warrants exercisable at $0.60 per share that expired on May 17, 2021 to December 31, 2026.
Warrants expired		533,334			533,334
Exercise price	$ 0.60			$ 0.60
Stock based compensation expense	$ 195,920	$ 0		$ 202,816	$ 0
Stock option exercise price				$ 0.41
2003 Option Plan [Member]
Description of option plan			During the third quarter of 2013, the board of directors increased the number of shares reserved for issuance under the 2003 Option Plan from 1,000,000 to 1,250,000 which was increased by the board to 1,750,000 during the third quarter of 2018.
Common stock, shares reserved for future issuance						1,000,000
Stock Option [Member]
Stock based compensation expense	48,743			$ 48,743	0
Stock Option [Member] \| July 3, 2021 [Member]
Stock option exercisable				141,667
Stock option exercise price				$ 0.60
Stock option expire date				Aug. 09, 2021
Stock option term				5 years
Stock Warrants [Member]
Stock based compensation expense	$ 147,177			$ 154,073	$ 0
Stock Warrants [Member] \| July 3, 2021 [Member]
Exercise price	$ 0.60			$ 0.60
Warrants Expire date				Aug. 09, 2021
Warrants outstanding	1,290,000			1,290,000
Additional warrants exercisable	1,250,000			1,250,000
Stock Warrants 1 [Member] \| July 3, 2021 [Member]
Exercise price	$ 0.75			$ 0.75
Warrants Expire date				Sep. 09, 2021
Warrants outstanding	100,000			100,000
Stock Warrants 2 [Member] \| July 3, 2021 [Member]
Exercise price	$ 0.30			$ 0.30
Warrants Expire date				Nov. 08, 2021
Warrants outstanding	750,000			750,000
Stock Warrants 3 [Member] \| July 3, 2021 [Member]
Exercise price	$ 0.30			$ 0.30
Warrants Expire date				Dec. 31, 2026
Warrants outstanding	250,000			250,000
Stock Option 1 [Member] \| July 3, 2021 [Member]
Stock option exercisable				165,010
Stock option exercise price				$ 0.30
Stock option expire date				Aug. 02, 2021
Stock option term				5 years
Stock Option 2 [Member] \| July 3, 2021 [Member]
Stock option exercisable				247,516
Stock option exercise price				$ 0.20
Stock option expire date				Jul. 21, 2021
Stock option term				5 years
Stock Option 3 [Member] \| July 3, 2021 [Member]
Stock option exercisable				150,000
Stock option exercise price				$ 0.30
Stock option expire date				Sep. 21, 2021
Stock option term				5 years

ENERTECK CORP 10-Q