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Geographic information (Tables)
6 Months Ended
Sep. 30, 2023
Segments, Geographical Areas [Abstract]  
Summary of company's long-lived assets held in different geographic regions The Company operates in two geographic regions: the United States (Massachusetts) and the United Kingdom (Oxfordshire). Information about the Company’s long-lived assets held in different geographic regions is presented in the tables below:
September 30, 2023March 31, 2023
United States$6,559 $5,836 
United Kingdom1,886 1,643 
$8,445 $7,479