Annual report pursuant to Section 13 and 15(d)

Note 4 - Acquisitions (Details Textual)

v3.22.4
Note 4 - Acquisitions (Details Textual) - Dejana [Member] - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Sep. 20, 2017
Jul. 15, 2016
Jun. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2020
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High   $ 26,000                
Business Acquisition, Fair Value of Contingent Consideration Recognized   $ 10,200                
Business Combination, Contingent Consideration Liability After Subsequent Adjustment                 $ 10,373 $ 0
Business Combination, Contingent Consideration Liability, Subsequent Adjustment     $ (2,000) $ (200) $ (900) $ (600) $ (1,186) $ (1,786) 173  
Business Combination, Contingent Consideration Arrangements, Change in Range of Outcomes, Contingent Consideration, Liability, Value, High                 $ 21,487  
Business Combination, Consideration Transferred, Liabilities Incurred               $ 5,487    
Business Combination, Earnout Consideration Eligibility Period (Year) 2 years                  
Business Combination, Percentage of Additional Earnout Payment on Unearned 50.00%