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Note 10 - Employees' Benefit Plans (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Deferred Compensation Liability, Current and Noncurrent | $ 263 | $ 251
Deferred Compensation Arrangement with Individual, Compensation Expense | 7 | 4
Deferred Costs | $ 52 | 53
Deferred Fee Liability |  | $ 1,400

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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred fees payable. + References No definition available. + Details
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Namespace Prefix: | fnwd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The compensation expense recognized during the period pertaining to the deferred compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 710 -SubTopic 10 -Name Accounting Standards Codification -Section 30 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483043/710-10-30-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-1 + Details
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References No definition available. + Details
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- Definition The carrying amount of deferred costs. + References No definition available. + Details
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