Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Narrative (Details)

v3.19.1
Goodwill and Intangible Assets - Narrative (Details) - USD ($)
Jan. 01, 2019
Mar. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]      
Goodwill   $ 16,843,526 $ 9,799,992
American Stainless Tubing, Inc.      
Finite-Lived Intangible Assets [Line Items]      
Goodwill $ 7,043,534    
American Stainless Tubing, Inc. | Customer Relationships      
Finite-Lived Intangible Assets [Line Items]      
Value of intangible assets acquired $ 10,000,000    
Useful life of finite lived intangible assets acquired 15 years