XML 73 R63.htm IDEA: XBRL DOCUMENT
v3.23.1

Schedule of Warrant Liability (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Fair value | $ 242 |
Number of warrants, exercised | (30,430,000) |
Exercise of wararnts | $ (54) |
Change in fair value of warrant liability | (66) | $ 130
Fair value | $ 176 |
Warrant [Member] |  |
Warrants outstanding | 265,305 |
Fair value | $ 242 |
Change in fair value of warrant liability |  |
Change in fair value of warrant liability | $ (12) |
Warrants outstanding | 234,875 |
Fair value | $ 176 |

X
- Definition Exercise of warrants. + References No definition available. + Details
Name: | NXGL_ExerciseOfWarrants
Namespace Prefix: | NXGL_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value Adjustment Of Warrants Shares + References No definition available. + Details
Name: | NXGL_FairValueAdjustmentOfWarrantsShares
Namespace Prefix: | NXGL_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | NXGL_StockIssuedDuringPeriodShareWarrantsExercised
Namespace Prefix: | NXGL_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrant liability current. + References No definition available. + Details
Name: | NXGL_WarrantLiabilityCurrent
Namespace Prefix: | NXGL_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 25 -Paragraph 13 -SubTopic 10 -Topic 480 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481766/480-10-25-13 + Details
Name: | us-gaap_FairValueAdjustmentOfWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |