INFORMATION ABOUT COMPONENTS OF CONSOLIDATED STATEMENTS OF FINANCIAL POSITION - Borrowings (Details) - USD ($)
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Current      
Corporate bonds $ 12,611,940 $ 8,416,768 $ 3,262,924
Borrowings 63,721,735 66,477,209 65,308,928
Non-current      
Corporate bonds 18,364,894 8,018,884  
Borrowings 41,226,610 37,079,521 25,708,205
Bank overdraft      
Current      
Borrowings 73,362   532,912
Subordinated loan      
Non-current      
Borrowings 10,364,045    
Bank borrowings      
Current      
Borrowings 47,646,912 52,274,611 54,304,759
Non-current      
Borrowings 3,497,671 16,239,743 25,253,940
BAF Loans      
Current      
Borrowings     5,112,222
Finance lease      
Current      
Borrowings   385,947 280,027
Non-current      
Borrowings   462,870 454,265
Parents companies and related parties      
Current      
Borrowings 3,389,521 5,399,883 $ 1,816,084
Non-current      
Borrowings $ 9,000,000 $ 12,358,024