| Cover - shares | 6 Months Ended | |
| Jun. 30, 2022 | Aug. 11, 2022 |
| Document Information [Line Items] | | |
| Document Type | 10-Q/A | |
| Amendment Flag | true | |
| Amendment Description | The purpose of this Amendment No. 1 (this "Amendment") to our Quarterly Report on Form 10-Q for the period ended June 30, 2022 (the "Form 10-Q"), as filed with the Securities and Exchange Commission (the "SEC") on August 15, 2022, is solely to correct the number of shares of the Company's shares of common stock issued and outstanding on August 11, 2022, the date of filing the Form 10-Q. The Form 10-Q disclosed 15,812,500 instead of 6,255,848 shares of the Company's shares of common stock due to a clerical error. | |
| Document Quarterly Report | true | |
| Document Transition Report | false | |
| Document Period End Date | Jun. 30, 2022 | |
| Document Fiscal Period Focus | Q2 | |
| Document Fiscal Year Focus | 2022 | |
| Current Fiscal Year End Date | --12-31 | |
| Entity File Number | 001-40730 | |
| Entity Registrant Name | CHARDAN NEXTECH ACQUISITION 2 CORP. | |
| Entity Central Index Key | 0001847986 | |
| Entity Tax Identification Number | 85-1873463 | |
| Entity Incorporation, State or Country Code | DE | |
| Entity Address, Address Line One | 17 State Street | |
| Entity Address, Address Line Two | 21st Floor | |
| Entity Address, City or Town | New York | |
| Entity Address, State or Province | NY | |
| Entity Address, Postal Zip Code | 10004 | |
| City Area Code | 646 | |
| Local Phone Number | 465-9000 | |
| Entity Current Reporting Status | Yes | |
| Entity Interactive Data Current | Yes | |
| Entity Filer Category | Non-accelerated Filer | |
| Entity Small Business | true | |
| Entity Emerging Growth Company | true | |
| Elected Not To Use the Extended Transition Period | false | |
| Entity Shell Company | true | |
| Entity Common Stock, Shares Outstanding | | 6,255,848 |
| Units, consisting of one share of Common Stock, par value $0.0001 per share, and three-quarters of one Redeemable Warrant | | |
| Document Information [Line Items] | | |
| Title of 12(b) Security | Units, consisting of one share of Common Stock, par value $0.0001 per share, and three-quarters of one Redeemable Warrant | |
| Trading Symbol | CNTQU | |
| Security Exchange Name | NASDAQ | |
| Common Stock, par value $0.0001 per share, included as part of the Units | | |
| Document Information [Line Items] | | |
| Title of 12(b) Security | Common Stock, par value $0.0001 per share, included as part of the Units | |
| Trading Symbol | CNTQ | |
| Security Exchange Name | NASDAQ | |
| Redeemable Warrants included as part of the Units, each exercisable for one share of Common Stock for $11.50 per share | | |
| Document Information [Line Items] | | |
| Title of 12(b) Security | Redeemable Warrants included as part of the Units, each exercisable for one share of Common Stock for $11.50 per share | |
| Trading Symbol | CNTQW | |
| Security Exchange Name | NASDAQ | |
