Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information - Summary of Segment Information (Details)

v3.20.1
Business Segment Information - Summary of Segment Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Segment Reporting Information [Line Items]    
Total revenue $ 44,839,508 $ 47,480,256
Total operating expenses 43,239,812 44,565,215
Total operating income 1,599,696 2,915,041
Total other expenses, net (225,635) (308,156)
Income before income taxes 1,374,061 2,606,885
Capital Expenditures 5,021,942 12,366,181
Depreciation and Amortization 2,892,812 2,581,079
Operating Segments | Electrical construction    
Segment Reporting Information [Line Items]    
Total revenue 43,065,392 41,387,318
Total operating expenses 40,363,663 38,353,612
Total operating income 2,701,729 3,033,706
Total other expenses, net (256,328) (324,313)
Income before income taxes 2,445,401 2,709,393
Capital Expenditures 4,974,021 11,642,297
Depreciation and Amortization 2,856,206 2,552,235
Operating Segments | Real estate development    
Segment Reporting Information [Line Items]    
Total revenue 1,774,116 6,092,938
Total operating expenses 1,511,546 4,888,792
Total operating income 262,570 1,204,146
Total other expenses, net   (4,852)
Income before income taxes 262,570 1,199,294
Capital Expenditures 139  
Depreciation and Amortization 8,289 5,674
Corporate    
Segment Reporting Information [Line Items]    
Total operating expenses 1,364,603 1,322,811
Total operating income (1,364,603) (1,322,811)
Total other expenses, net 30,693 21,009
Income before income taxes (1,333,910) (1,301,802)
Capital Expenditures 47,782 723,884
Depreciation and Amortization $ 28,317 $ 23,170