Benitec Biopharma Inc. Quarterly report pursuant to Section 13 or 15(d)

Stockholders' equity - Schedule of warrants or rights (Detail)	3 Months Ended
	Sep. 30, 2022 $ / shares shares
Outstanding, beginning of period \| shares	107,095
Outstanding, ending of period \| shares	42,088,194
Exercisable at September 30, 2022 \| shares	12,278,723
Exercise price of class of warrants or rights outstanding \| $ / shares	$ 10.5
Exercise price of class of warrants or rights outstanding \| $ / shares	0.49
Exercisable at September 30, 2022 \| $ / shares	$ 0.09
Series 2 Warrants [Member]
Series 2 Warrants issued September 15, 2022 \| shares	29,809,471
Series 2 Warrants issued September 15, 2022 \| $ / shares	$ 0.66
Pre Funded Warrants [Member]
Pre-funded warrants issued \| shares	12,171,628
Pre-funded warrants issued \| $ / shares	$ 0.0001