v3.25.3
Subsequent Events, Consideration Transferred (Details)
$ / shares in Units, $ in Thousands
Aug. 30, 2025
AUD ($)
shares
$ / shares
Major business combination [member] | Sayona Mining Limited and Piedmont Lithium Inc. [Member]  
Acquisition-date fair value of total consideration transferred [abstract]  
Equity instruments issued $ 300,706
Other merger consideration attributable to outstanding Piedmont equity awards 4,209 [1]
Total consideration transferred 304,915 [2]
Major ordinary share transactions [member] | Sayona Mining Limited and Piedmont Lithium Inc. [Member]  
Acquisition-date fair value of total consideration transferred [abstract]  
Equity instruments issued $ 300,706
Major ordinary share transactions [member] | Sayona Mining Limited [Member]  
Total Value of Equity Instruments Issued (Abstract)  
Number of Piedmont common stock on issue on date of acquisition (in shares) | shares 11,565,602,304
Closing price of Sayona ordinary shares traded on the ASX on date of acquisition (in dollars per share) | $ / shares $ 0.026
Major ordinary share transactions [member] | Piedmont Lithium Inc [Member]  
Total Value of Equity Instruments Issued (Abstract)  
Number of Piedmont common stock on issue on date of acquisition (in shares) | shares 21,946,069
Exchange ratio (per share of Piedmont common stock 527
[1] Other merger consideration has been measured on a provisional basis, pending completion of an independent valuation.
[2] Total consideration transferred comprises the buy-out of the non-controlling interest in Sayona Québec and settlement of the pre-existing contractual arrangement between Piedmont and Sayona. The allocation of consideration across each component has yet to be determined. Refer to section (c) below.