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Development costs
 12 Months Ended
Jun. 30, 2023
Development Costs [Abstract]  
Development costs Development costs
Cost $
Balance at July 1, 2021
3,360 
Additions3,237 
Investment tax credits(628)
Balance at June 30, 2022
5,969 
Additions7,250 
Cost fully amortized(380)
Investment tax credits(788)
Balance at June 30, 2023
12,051 
Accumulated amortization 
Balance at July 1, 2021
(1,827)
Amortization(1,281)
Balance at June 30, 2022
(3,108)
Amortization(2,705)
Cost fully amortized331 
Balance at June 30, 2023
(5,482)


June 30, 2023June 30, 2022
$ $
Net capitalized development costs6,5692,861
Each period, additions to development costs are recognized net of investment tax credits accrued. In addition to the above amortization, the Company has recognized $34,765 of engineering expenditures as an expense during the year ended June 30, 2023 (June 30, 2022 - $32,877).