Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Restructuring and Impairment Activities (Details Textual)

v3.19.3.a.u2
Note 9 - Restructuring and Impairment Activities (Details Textual) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Sep. 30, 2019
Dec. 31, 2019
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Gain (Loss) on Disposition of Property Plant Equipment, Total       $ (163) $ (43)
Inventory Write-down       3,200  
Inventory Write-down, Slow Moving Finished Goods [Member]          
Inventory Write-down       2,600  
Inventory Write-down, Raw Materials Disposed of [Member]          
Inventory Write-down       600  
Facility Closing, Old Fort [Member]          
Restructuring Charges, Total       1,800  
Gain (Loss) on Disposition of Property Plant Equipment, Total       700  
Inventory Write-downs and Manufacturing Overhead Costs [Member]          
Restructuring Charges, Total       1,300  
Inventory Write-downs and Manufacturing Overhead Costs [Member] | Cost of Sales [Member]          
Restructuring Charges, Total       1,300  
Employee Severance and Other Payroll and Benefit Costs [Member]          
Restructuring Charges, Total       700  
Other Exit and Relocation Costs [Member]          
Restructuring Charges, Total       400  
Facility Closing, Passaic [Member]          
Proceeds from Divestiture of Businesses, Net of Cash Divested, Total $ 12,400        
Payments for Divestiture Selling and Closing Costs $ 900        
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal   $ 11,500 $ 11,497