Stock-based Compensation (Details 3)	9 Months Ended
Sep. 30, 2022 $ / shares shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Outstanding	10,214,015
Number Exercisable	10,214,015
Warrants 1 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration date	Feb. 05, 2023
Number of Outstanding	1,500
Number Exercisable	1,500
Exercise price \| $ / shares	$ 25.00
Warrants 2 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration date	Apr. 27, 2023
Number of Outstanding	1,500
Number Exercisable	1,500
Exercise price \| $ / shares	$ 25.00
Warrants 3 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration date	Dec. 31, 2024
Number of Outstanding	554,873
Number Exercisable	554,873
Exercise price \| $ / shares	$ 6.67
Warrants 4 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration date	Oct. 31, 2025
Number of Outstanding	763,701
Number Exercisable	763,701
Exercise price \| $ / shares	$ 1.25
Warrants 5 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration date	Feb. 26, 2026
Number of Outstanding	288,236
Number Exercisable	288,236
Exercise price \| $ / shares	$ 4.00
Warrants 6 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration date	Jul. 31, 2026
Number of Outstanding	2,532,900
Number Exercisable	2,532,900
Exercise price \| $ / shares	$ 1.55
Warrants 7 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration date	Feb. 01, 2027
Number of Outstanding	1,456,452
Number Exercisable	1,456,452
Exercise price \| $ / shares	$ 1.55
Warrants 8 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expiration date	May 30, 2027
Number of Outstanding	4,614,853
Number Exercisable	4,614,853
Exercise price \| $ / shares	$ 1.75

No definition available.

Name:	NUTX_ExpirationDate
Namespace Prefix:	NUTX_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_AwardTypeAxis=NUTX_Warrants1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=NUTX_Warrants2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=NUTX_Warrants3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=NUTX_Warrants4Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=NUTX_Warrants5Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=NUTX_Warrants6Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=NUTX_Warrants7Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=NUTX_Warrants8Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: