Assets held for sale (Details)
6 Months Ended
Aug. 31, 2021
USD ($)
Total Assets held for sale $ 4,821,895
Property, plant and equipment, net [Member]  
Total Assets held for sale $ 1,410,858
Assets Held-for-sale, Description Assets held for sale
Assets held for sale [Member]  
Total Assets held for sale $ 3,411,037
Assets Held-for-sale, Description Property, plant and equipment, net