Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of changes in the carrying amount of goodwill (Details)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of changes in the carrying amount of goodwill (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Goodwill, gross      
Goodwill, gross, beginning balance $ 8,198 $ 7,697  
Foreign currency translation (74) 501  
Acquired 8,368 0  
Goodwill, gross, ending balance 16,492 8,198 $ 7,697
Accumulated impairment      
Accumulated goodwill impairment, beginning balance 2,300 0  
Impairment expense 0 2,300  
Accumulated goodwill impairment, ending balance 2,300 2,300 0
Goodwill, net of impairment      
Goodwill, net of impairment 14,192 5,898 7,697
Held for sale      
Goodwill, gross      
Goodwill, gross, beginning balance 1,468 810  
Foreign currency translation 0 658  
Acquired 0 0  
Goodwill, gross, ending balance 1,468 1,468 810
Accumulated impairment      
Accumulated goodwill impairment, beginning balance 1,468 0  
Impairment expense 0 1,468  
Accumulated goodwill impairment, ending balance 1,468 1,468 0
Goodwill, net of impairment      
Goodwill, net of impairment 0 0 810
Central Asia and Eastern Europe      
Goodwill, gross      
Goodwill, gross, beginning balance 5,104 5,261  
Foreign currency translation (74) (157)  
Acquired 2,594 0  
Goodwill, gross, ending balance 7,624 5,104 5,261
Accumulated impairment      
Accumulated goodwill impairment, beginning balance 832 0  
Impairment expense 0 832  
Accumulated goodwill impairment, ending balance 832 832 0
Goodwill, net of impairment      
Goodwill, net of impairment 6,792 4,272 5,261
Europe, excluding Eastern Europe      
Goodwill, gross      
Goodwill, gross, beginning balance 0 0  
Foreign currency translation 0 0  
Acquired 0 0  
Goodwill, gross, ending balance 0 0 0
Accumulated impairment      
Accumulated goodwill impairment, beginning balance 0 0  
Impairment expense 0 0  
Accumulated goodwill impairment, ending balance 0 0 0
Goodwill, net of impairment      
Goodwill, net of impairment 0 0 0
US      
Goodwill, gross      
Goodwill, gross, beginning balance 1,626 1,626  
Foreign currency translation 0 0  
Acquired 5,774 0  
Goodwill, gross, ending balance 7,400 1,626 1,626
Accumulated impairment      
Accumulated goodwill impairment, beginning balance 0 0  
Impairment expense 0 0  
Accumulated goodwill impairment, ending balance 0 0 0
Goodwill, net of impairment      
Goodwill, net of impairment 7,400 1,626 1,626
Middle East/ Caucasus      
Goodwill, gross      
Goodwill, gross, beginning balance 0 0  
Foreign currency translation 0 0  
Acquired 0 0  
Goodwill, gross, ending balance 0 0 0
Accumulated impairment      
Accumulated goodwill impairment, beginning balance 0 0  
Impairment expense 0 0  
Accumulated goodwill impairment, ending balance 0 0 0
Goodwill, net of impairment      
Goodwill, net of impairment $ 0 $ 0 $ 0