Annual report pursuant to Section 13 and 15(d)

Segments (Details)

v3.19.1
Segments (Details)
12 Months Ended
Dec. 31, 2018
USD ($)
segment
Dec. 31, 2017
USD ($)
Segment Reporting Information [Line Items]    
Number of operating segments | segment 2  
Revenue $ 35,883,684 $ 33,202,666
Gross profit 13,591,862 12,954,404
Identifiable assets 49,904,393 50,671,076
Products and Services    
Segment Reporting Information [Line Items]    
Revenue 30,695,306 30,119,418
Gross profit 10,993,490 11,154,982
Identifiable assets 27,566,921 24,234,505
Energy Production    
Segment Reporting Information [Line Items]    
Revenue 6,399,526 3,833,940
Gross profit 2,598,372 1,799,422
Identifiable assets 22,337,472 26,436,571
Corporate, other and elimination    
Segment Reporting Information [Line Items]    
Revenue (1,211,148) (750,692)
Gross profit 0 0
Identifiable assets 0 0
Operating Segments    
Segment Reporting Information [Line Items]    
Revenue 35,883,684 33,202,666
Operating Segments | Products and Services    
Segment Reporting Information [Line Items]    
Revenue 29,484,158 29,368,726
Operating Segments | Energy Production    
Segment Reporting Information [Line Items]    
Revenue 6,399,526 3,833,940
Operating Segments | Corporate, other and elimination    
Segment Reporting Information [Line Items]    
Revenue 0 0
Intersegment Eliminations    
Segment Reporting Information [Line Items]    
Revenue 0 0
Intersegment Eliminations | Products and Services    
Segment Reporting Information [Line Items]    
Revenue 1,211,148 750,692
Intersegment Eliminations | Energy Production    
Segment Reporting Information [Line Items]    
Revenue 0 0
Intersegment Eliminations | Corporate, other and elimination    
Segment Reporting Information [Line Items]    
Revenue $ (1,211,148) $ (750,692)