INFORMATION ABOUT COMPONENTS OF CONSOLIDATED STATEMENTS OF FINANCIAL POSITION - Property, plant and equipment - gross carrying amounts (Details) - USD ($)
 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Property, plant and equipment      
As of the beginning of period $ 43,834,548 $ 40,177,146  
Adjustment of opening net book amount for application of IAS 29   9,204,777  
As of the end of period 41,515,106 43,834,548 $ 40,177,146
Office equipment      
Property, plant and equipment      
As of the beginning of period 213,437 194,819  
Adjustment of opening net book amount for application of IAS 29   333,904  
As of the end of period 188,280 213,437 194,819
Vehicles      
Property, plant and equipment      
As of the beginning of period 1,785,701 1,099,603  
Adjustment of opening net book amount for application of IAS 29   1,054,631  
As of the end of period 1,149,455 1,785,701 1,099,603
Equipment and computer software      
Property, plant and equipment      
As of the beginning of period 123,472 212,236  
Adjustment of opening net book amount for application of IAS 29   416,274  
As of the end of period 32,448 123,472 212,236
Fixture and fittings      
Property, plant and equipment      
As of the beginning of period 4,737,396 3,508,083  
Adjustment of opening net book amount for application of IAS 29   1,909,115  
As of the end of period 3,679,075 4,737,396 3,508,083
Machinery and equipment      
Property, plant and equipment      
As of the beginning of period 6,336,691 4,466,293  
Adjustment of opening net book amount for application of IAS 29   3,976,720  
As of the end of period 5,449,233 6,336,691 4,466,293
Land and buildings      
Property, plant and equipment      
As of the beginning of period 29,969,237 30,513,273  
Adjustment of opening net book amount for application of IAS 29   1,438,728  
As of the end of period 29,746,076 29,969,237 30,513,273
Buildings in progress      
Property, plant and equipment      
As of the beginning of period 668,614 182,839  
Adjustment of opening net book amount for application of IAS 29   75,405  
As of the end of period 1,270,539 668,614 182,839
Gross carrying amount      
Property, plant and equipment      
As of the beginning of period 57,059,972 44,764,394 48,520,889
Additions 1,646,697 2,044,102 2,791,794
Reclassifications (1,237,872)    
Disposals (139,369) (338,854) (171,114)
Foreign currency translation (7,702,857) 3,441,984 (20,942,036)
Revaluation 4,900,821 (2,056,431) 14,564,861
As of the end of period 54,527,392 57,059,972 44,764,394
Gross carrying amount | Office equipment      
Property, plant and equipment      
As of the beginning of period 629,119 243,948 252,220
Additions 42,658 30,621 119,623
Disposals   (8,493)  
Foreign currency translation (91,895) 29,139 (127,895)
As of the end of period 579,882 629,119 243,948
Gross carrying amount | Vehicles      
Property, plant and equipment      
As of the beginning of period 3,604,537 1,660,294 2,223,102
Additions 248,800 1,093,749 388,856
Reclassifications (264,069)    
Disposals (139,369) (297,269) (131,746)
Foreign currency translation (472,357) 93,132 (819,918)
As of the end of period 2,977,542 3,604,537 1,660,294
Gross carrying amount | Equipment and computer software      
Property, plant and equipment      
As of the beginning of period 955,657 419,638 426,529
Additions 27,961 75,152 189,094
Reclassifications (375,242)    
Transfers     47,744
Disposals   (1,685) (14,726)
Foreign currency translation (142,697) 46,278 (229,003)
As of the end of period 465,679 955,657 419,638
Gross carrying amount | Fixture and fittings      
Property, plant and equipment      
As of the beginning of period 6,438,430 3,826,665 4,665,074
Additions 14,985 7,518 6,178
Reclassifications 20,801    
Transfers   213,333 1,646,914
Disposals     (1,632)
Foreign currency translation (993,785) 481,799 (2,489,869)
As of the end of period 5,480,431 6,438,430 3,826,665
Gross carrying amount | Machinery and equipment      
Property, plant and equipment      
As of the beginning of period 10,233,501 5,404,029 9,152,269
Additions 556,693 98,034 197,840
Reclassifications (598,561)    
Transfers   7,863  
Disposals   (31,407) (23,010)
Foreign currency translation (1,136,932) 778,262 (3,923,070)
As of the end of period 9,054,701 10,233,501 5,404,029
Gross carrying amount | Land and buildings      
Property, plant and equipment      
As of the beginning of period 34,530,114 33,026,981 30,931,226
Additions 3,261 125,930 26,017
Reclassifications 36,487    
Transfers     651,662
Foreign currency translation (4,772,065) 1,994,906 (13,146,785)
Revaluation 4,900,821 (2,056,431) 14,564,861
As of the end of period 34,698,618 34,530,114 33,026,981
Gross carrying amount | Buildings in progress      
Property, plant and equipment      
As of the beginning of period 668,614 182,839 870,469
Additions 752,339 613,098 1,864,186
Reclassifications (57,288)    
Transfers   (221,196) (2,346,320)
Foreign currency translation (93,126) 18,468 (205,496)
As of the end of period $ 1,270,539 $ 668,614 $ 182,839