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Stock Options and Award Programs (Details 4) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Restricted stock compensation expense $ 704,973 $ 381,251
Non-qualified stock compensation expense 105,308 336,736
Total share-based compensation before taxes 810,281 717,987
Employee Stock Option    
Restricted stock compensation expense 375,122 281,051
Non-qualified stock compensation expense 98,789 326,249
Total share-based compensation before taxes 473,911 607,300
Board of Directors Option    
Restricted stock compensation expense 329,851 100,200
Non-qualified stock compensation expense 0 0
Total share-based compensation before taxes 329,851 100,200
Non Employee Stock Option    
Restricted stock compensation expense 0 0
Non-qualified stock compensation expense 6,519 10,487
Total share-based compensation before taxes $ 6,519 $ 10,487