Assets held for sale (Details)
9 Months Ended
Nov. 30, 2021
USD ($)
Total Assets held for sale $ 4,755,929
Property, plant and equipment, net [Member]  
Total Assets held for sale $ 1,391,556
Assets Held-for-sale, Description Assets held for sale
Assets held for sale [Member]  
Total Assets held for sale $ 3,364,373
Assets Held-for-sale, Description Property, plant and equipment, net