Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information - Summary of Identifiable Assets by Segment (Details)

v3.20.1
Business Segment Information - Summary of Identifiable Assets by Segment (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]    
Identifiable Assets $ 149,181,786 $ 129,367,178
Operating Segments | Electrical construction    
Segment Reporting Information [Line Items]    
Identifiable Assets 120,847,274 111,064,071
Operating Segments | Real estate development    
Segment Reporting Information [Line Items]    
Identifiable Assets 6,916,753 7,578,440
Corporate    
Segment Reporting Information [Line Items]    
Identifiable Assets $ 21,417,759 $ 10,724,667