XML 66 R54.htm IDEA: XBRL DOCUMENT v3.23.1

Inventories (Tables)

12 Months Ended

Dec. 31, 2022

Classes of current inventories [abstract]

Schedule of inventories

		2022 $				2021 $
Consumables and reagent			3,662,303				4,404,959
Work in progress			137,106				—
Finished goods			734,663				2,424,267
			4,534,072				6,829,226

X

- References

No definition available.

+ Details

Name:	ifrs-full_ClassesOfInventoriesAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

No definition available.

+ Details

Name:	pre_IfrsScheduleOfInventoryCurrentTableTextBlock
Namespace Prefix:	pre_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration