Other Income (Details) - Research and Development Expenses [Member]	12 Months Ended
Mar. 31, 2026 USD ($)	Mar. 31, 2026 AUD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2024 AUD ($)
Other Income [Line Items]
Other income	$ 292,247	$ 441,732		$ 879,344	$ 1,336,622
Research and development expenses percentage	43.50%	43.50%

The maximum percentage of rebate for the research & development expenses under the research & development tax incentive program.

No definition available.

Name:	pbm_MaximumPercentageOfRebateOnResearchDevelopmentTaxIncentiveProgram
Namespace Prefix:	pbm_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration