Quarterly report pursuant to Section 13 or 15(d)

Leases - Narrative (Details)

v3.19.1
Leases - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Jan. 01, 2019
Lessee Lease Description [Line Items]    
Operating lease right-of-use asset $ 3,215,736  
Operating lease liability $ 3,204,040  
Remaining term of lease 1 year 3 months 14 days  
Weighted-average discount rate 4.31%  
Operating lease cost $ 1,200,000  
Electrical construction operation’s equipment    
Lessee Lease Description [Line Items]    
Remaining term of lease 4 years  
leases with residual value guarantees $ 0  
ASU 2016-02    
Lessee Lease Description [Line Items]    
Operating lease right-of-use asset   $ 4,300,000
Operating lease liability   $ 4,300,000