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Note N - Sale of Direct Mail Assets and Equipment (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 14 Months Ended
Apr. 24, 2020
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Proceeds from Sale of Property, Plant, and Equipment, Total     $ 101 $ 1,813  
Summit [Member]          
Proceeds from Sale of Machinery and Equipment $ 1,500        
Proceeds from Sale of Property, Plant, and Equipment, Total         $ 500
Impairment of Long-Lived Assets to be Disposed of   $ 1,900      
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property   $ 1,400