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Segment Information - Schedule of Disaggregation of Revenue (Details) - USD ($)
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Segment Reporting Information [Line Items]    
Total Printed Products $ 3,846,000 $ 3,169,000
Total Technology Sales, Services and Licensing 489,000 479,000
Direct Marketing 608,000 573,000
Packaging Printing and Fabrication [Member]    
Segment Reporting Information [Line Items]    
Total Printed Products 3,688,000 2,966,000
Commercial and Security Printing [Member]    
Segment Reporting Information [Line Items]    
Total Printed Products 158,000 203,000
Information Technology Sales and Services [Member]    
Segment Reporting Information [Line Items]    
Total Technology Sales, Services and Licensing 38,000 11,000
Digital Authentication Products and Services [Member]    
Segment Reporting Information [Line Items]    
Total Technology Sales, Services and Licensing 367,000 331,000
Royalties from Licensees [Member]    
Segment Reporting Information [Line Items]    
Total Technology Sales, Services and Licensing 84,000 137,000
Direct Marketing Internet Sales [Member]    
Segment Reporting Information [Line Items]    
Direct Marketing $ 608,000 $ 573,000