Quarterly report pursuant to Section 13 or 15(d)

Construction Backlog (Details Textual)

v3.20.2
Construction Backlog (Details Textual)
3 Months Ended 6 Months Ended
Sep. 30, 2019
USD ($)
Item
Jun. 30, 2019
USD ($)
Jun. 30, 2020
USD ($)
Item
Jun. 30, 2019
USD ($)
Construction Backlog (Textual)        
Total remaining unsatisfied performance obligations     $ 17,293,227  
Construction backlog contract amount $ 17,000,000 $ 25,000,000    
Number of large contracts | Item 2   1  
Exclusive License Agreement [Member]        
Construction Backlog (Textual)        
Total remaining unsatisfied performance obligations     $ 2.4  
Contract Two [Member] | Exclusive License Agreement [Member]        
Construction Backlog (Textual)        
Construction backlog contract amount       $ 15
Contract One [Member] | Exclusive License Agreement [Member]        
Construction Backlog (Textual)        
Construction backlog contract amount       $ 55