v3.26.1
Share based compensation (Details 3)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
Options 1
Vesting Target
$ 6.5
Vested
Yes
Options 2
Vesting Target
$ 7.0
Vested
0
Options 3
Vesting Target
$ 7.5
Vested
0
X
- References
No definition available.
+ Details
Name:
nxt_VestedOrNot
Namespace Prefix:
nxt_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
nxt_VestingTargetToReceiveCashFromSFD
Namespace Prefix:
nxt_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- Details
Name:
us-gaap_FinancialInstrumentAxis=nxt_OptionOneMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type:
X
- Details
Name:
us-gaap_FinancialInstrumentAxis=nxt_OptionTwoMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type:
X
- Details
Name:
us-gaap_FinancialInstrumentAxis=nxt_OptionThreeMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type: