XML 68 R54.htm IDEA: XBRL DOCUMENT v3.22.0.1
Note 4 - Other Expense, Net (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Other Nonoperating Income (Expense), Total $ (645,000) $ (544,000)
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component (614,000) (728,000)
Proceeds from Sale of Property, Plant, and Equipment, Total $ 10,000 1,969,000
Gain (Loss) on Disposition of Property Plant Equipment, Before Abandonment Gain (Loss)   813,000
Assets Disposed of by Method Other than Sale, in Period of Disposition, Gain (Loss) on Disposition   (577,000)
Transition of Production from the Broadway Plant [Member]    
Proceeds from Sale of Property, Plant, and Equipment, Total   1,700,000
Proceeds from Sale of Other Property, Plant, and Equipment   $ 268,000