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Goodwill (Details)
9 Months Ended
Sep. 30, 2017
USD ($)
Goodwill [Roll Forward]  
Beginning balance $ 14,819,835
Investment - Velvac 17,502,024
Foreign exchange 73,881
Ending balance 32,395,740
Industrial Hardware Segment [Member]  
Goodwill [Roll Forward]  
Beginning balance 1,760,793
Investment - Velvac 17,502,024
Foreign exchange 73,881
Ending balance 19,336,698
Security Products Segment [Member]  
Goodwill [Roll Forward]  
Beginning balance 13,059,042
Investment - Velvac 0
Foreign exchange 0
Ending balance 13,059,042
Metal Products Segment [Member]  
Goodwill [Roll Forward]  
Beginning balance 0
Investment - Velvac 0
Foreign exchange 0
Ending balance $ 0