Annual report pursuant to Section 13 and 15(d)

Goodwill (Details)

v3.19.1
Goodwill (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Goodwill [Roll Forward]    
Goodwill, beginning of period $ 6,003,525 $ 1,354,730
Acquisitions during period 3,796,467 4,648,795
Goodwill, end of period 9,799,992 6,003,525
Specialty Chemicals Segment    
Goodwill [Roll Forward]    
Goodwill, beginning of period 1,354,730 1,354,730
Acquisitions during period 0 0
Goodwill, end of period 1,354,730 1,354,730
Metals Segment    
Goodwill [Roll Forward]    
Goodwill, beginning of period 4,648,795 0
Acquisitions during period 3,796,467 4,648,795
Goodwill, end of period $ 8,445,262 $ 4,648,795