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Business Combination - Schedule of Business Acquisition, Pro Forma Information (Details) - Pro Forma [Member] - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Sales $ 17,411,000 $ 15,550,000
Net loss $ 1,219,000 $ (3,343,000)
Basic earnings per share $ 0.30 $ (2.51)
Diluted earnings per share $ 0.11 $ (0.39)