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Summary of Significant Accounting Policies (Schedule of Inventories) (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Inventories    
Raw materials and supplies $ 266,444 $ 315,542
Work-in-process 22,291 35,080
Finished goods 147,948 122,408
Total $ 436,683 $ 473,030