XML 65 R51.htm IDEA: XBRL DOCUMENT
v3.26.1

Note 2 - Revenue Recognition - Summary of Deferred Revenue Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Beginning balance |  | $ 11,140 | $ 8,185
Deferral of revenue |  | 20,001 | 18,208
Recognition of unearned revenue |  | (20,063) | (15,253)
Settlement of liability | [1] | (7,113) | 0
Ending balance |  | $ 3,965 | $ 11,140
[1] | Represents settlement of a portion of the deferred revenue liability in connection with the transaction discussed in Note 16, Acquisition.

X
- Definition Amount of addition to the balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References No definition available. + Details
Name: | senea_ContractWithCustomerLiabilityAddition
Namespace Prefix: | senea_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of deduction of contract with customer liability. + References No definition available. + Details
Name: | senea_ContractWithCustomerLiabilityDeduction
Namespace Prefix: | senea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of settlement of contract with customer liability. + References No definition available. + Details
Name: | senea_ContractWithCustomerLiabilitySettlement
Namespace Prefix: | senea_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant