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Lease obligations (Details) - Schedule of future minimum lease payments - USD ($) | Sep. 30, 2021 | Dec. 31, 2020
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Schedule of future minimum lease payments [Abstract] |  |
2021 | $ 343,503 | $ 341,619
2022 | 349,412 | 343,503
2023 | 323,584 | 345,252
2024 | 325,776 | 322,491
2025 |  | 135,740
Total | $ 1,342,275 | $ 1,488,605

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- Definition Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. + References No definition available. + Details
Name: | strn_OperatingLeaseFutureMinimumPaymentsDue
Namespace Prefix: | strn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | strn_OperatingLeasesFutureMinimumPaymentDueCurrent
Namespace Prefix: | strn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | strn_OperatingLeasesFutureMinimumPaymentDueInFiveYears
Namespace Prefix: | strn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | strn_OperatingLeasesFutureMinimumPaymentDueInFourYears
Namespace Prefix: | strn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | strn_OperatingLeasesFutureMinimumPaymentDueInThreeYears
Namespace Prefix: | strn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | strn_OperatingLeasesFutureMinimumPaymentDueInTwoYears
Namespace Prefix: | strn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | strn_ScheduleOfFutureMinimumLeasePaymentsAbstract
Namespace Prefix: | strn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration