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Goodwill and Other Intangible Assets Intangible Assets and Related Accumulated Amortization (Details) - USD ($)
 3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Goodwill [Roll Forward]    
Finite-Lived Intangible Assets, Gross $ 5,700,000 $ 5,700,000
Finite-Lived Intangible Assets, Accumulated Amortization (3,534,600) (3,392,100)
Finite-Lived Intangible Assets, Future Amortization Expense 2,165,400 2,307,900
Customer Lists [Member]    
Goodwill [Roll Forward]    
Finite-Lived Intangible Assets, Gross 1,000,000 1,000,000
Finite-Lived Intangible Assets, Accumulated Amortization (620,100) (595,100)
Finite-Lived Intangible Assets, Future Amortization Expense $ 379,900 404,900
Finite-Lived Intangible Assets, Useful Life 10 years  
Manufacturing Technology [Member]    
Goodwill [Roll Forward]    
Finite-Lived Intangible Assets, Gross $ 3,900,000 3,900,000
Finite-Lived Intangible Assets, Accumulated Amortization (2,418,400) (2,320,900)
Finite-Lived Intangible Assets, Future Amortization Expense $ 1,481,600 1,579,100
Finite-Lived Intangible Assets, Useful Life 10 years  
Trade Names [Member]    
Goodwill [Roll Forward]    
Finite-Lived Intangible Assets, Gross $ 800,000 800,000
Finite-Lived Intangible Assets, Accumulated Amortization (496,100) (476,100)
Finite-Lived Intangible Assets, Future Amortization Expense $ 303,900 $ 323,900
Finite-Lived Intangible Assets, Useful Life 10 years