Annual report pursuant to Section 13 and 15(d)

Goodwill (Details)

v3.8.0.1
Goodwill (Details) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Goodwill [Roll Forward]      
Goodwill, beginning of period $ 1,354,730    
Acquisition of MUSA 4,648,795    
Goodwill, end of period 6,003,525 $ 1,354,730  
Goodwill impairment 0 0 $ 17,158,249
Specialty Chemicals Segment [Member]      
Goodwill [Roll Forward]      
Goodwill, beginning of period 1,354,730    
Acquisition of MUSA 0    
Goodwill, end of period 1,354,730 1,354,730  
Metals Segment [Member]      
Goodwill [Roll Forward]      
Goodwill, beginning of period 0 0  
Acquisition of MUSA 4,648,795    
Goodwill, end of period 4,648,795 0 0
Goodwill impairment $ 0 $ 0 $ 17,158,249