XML 122 R108.htm IDEA: XBRL DOCUMENT
v3.20.2

Share-based payments - Summary of valuation for each tranche of options (Detail) | 12 Months Ended
--- | ---
Jun. 30, 2020 AUD ($) yr $ / shares | Jun. 30, 2019 $ / shares
Tranche 4 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | Nov. 16, 2015 | Nov. 16, 2015
Expiry date | Nov. 16, 2020 | Nov. 16, 2020
Share price at Grant Date | $ 0.140 |
Exercise price | $ 2.200 | $ 2.200
Volatility (%) | 158.00% |
Remaining Option Life | yr | 0.37 |
Risk free Rate | 2.04% |
Fair value per option | $ | $ 1.280 |
Tranche 8 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | Sep. 05, 2016 | Sep. 05, 2016
Expiry date | Sep. 05, 2021 | Sep. 05, 2021
Share price at Grant Date | $ 0.105 |
Exercise price | $ 1.630 | $ 1.630
Volatility (%) | 122.00% |
Remaining Option Life | yr | 1.16 |
Risk free Rate | 1.60% |
Fair value per option | $ | $ 0.840 |
Tranche 9 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | Oct. 12, 2016 | Oct. 12, 2016
Expiry date | Oct. 17, 2021 | Oct. 17, 2021
Share price at Grant Date | $ 0.098 |
Exercise price | $ 1.560 | $ 1.560
Volatility (%) | 122.00% |
Remaining Option Life | yr | 1.29 |
Risk free Rate | 1.89% |
Fair value per option | $ | $ 0.780 |
Tranche 10 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | Oct. 31, 2016 | Oct. 31, 2016
Expiry date | Nov. 01, 2021 | Nov. 01, 2021
Share price at Grant Date | $ 0.090 |
Exercise price | $ 1.380 | $ 1.380
Volatility (%) | 122.00% |
Remaining Option Life | yr | 1.20 |
Risk free Rate | 1.87% |
Fair value per option | $ | $ 0.720 |
Tranche 11 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | Nov. 21, 2016 | Nov. 21, 2016
Expiry date | Nov. 23, 2021 | Nov. 23, 2021
Share price at Grant Date | $ 0.092 |
Exercise price | $ 1.380 | $ 1.380
Volatility (%) | 122.00% |
Remaining Option Life | yr | 1.20 |
Risk free Rate | 2.10% |
Fair value per option | $ | $ 0.730 |
Tranche 12 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | Aug. 07, 2017 | Aug. 07, 2017
Expiry date | Aug. 07, 2022 | Aug. 07, 2022
Share price at Grant Date | $ 0.430 |
Exercise price | $ 0.670 | $ 0.670
Volatility (%) | 74.50% |
Remaining Option Life | yr | 2.08 |
Risk free Rate | 1.95% |
Fair value per option | $ | $ 0.206 |
Tranche 13 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | Feb. 05, 2018 | Feb. 05, 2018
Expiry date | Feb. 05, 2023 | Feb. 05, 2023
Share price at Grant Date | $ 0.500 |
Exercise price | $ 0.780 | $ 0.780
Volatility (%) | 74.50% |
Remaining Option Life | yr | 2.58 |
Risk free Rate | 1.95% |
Fair value per option | $ | $ 0.200 |
Tranche 14 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | Jan. 04, 2019 | Jan. 04, 2019
Expiry date | Jan. 04, 2024 | Jan. 04, 2024
Share price at Grant Date | $ 0.340 |
Exercise price | $ 0.492 | $ 0.492
Volatility (%) | 74.50% |
Remaining Option Life | yr | 3.50 |
Risk free Rate | 1.95% |
Fair value per option | $ | $ 0.140 |
Tranche 15 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | Nov. 13, 2019 |
Expiry date | Jan. 04, 2024 |
Share price at Grant Date | $ 0.410 |
Exercise price | $ 0.492 |
Volatility (%) | 74.50% |
Remaining Option Life | yr | 4.20 |
Risk free Rate | 1.95% |
Fair value per option | $ | $ 0.180 |
Tranche 16 [member] |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Grant date | Jan. 13, 2020 |
Expiry date | Jan. 13, 2025 |
Share price at Grant Date | $ 0.620 |
Exercise price | $ 0.881 |
Volatility (%) | 74.50% |
Remaining Option Life | yr | 4.50 |
Risk free Rate | 1.95% |
Fair value per option | $ | $ 0.340 |

X
- Definition The date on which share-based payment arrangements are granted. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 2 -IssueDate 2019-01-01 -Paragraph IG23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_IG23&doctype=Implementation%20Guidance -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 2 -IssueDate 2019-01-01 -Paragraph 45 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45_a&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DateOfGrantOfSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2019-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The option life of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2019-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DescriptionOfOptionLifeShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2019-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The exercise price of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2019-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_47_a_i&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ExercisePriceShareOptionsGranted2019
Namespace Prefix: | ifrs-full_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2019-01-01 -Paragraph 47 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_47_a&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The date on which share-based payment arrangement options expire. + References No definition available. + Details
Name: | kzia_ShareBasedPaymentArrangementOptionsExpiryDate
Namespace Prefix: | kzia_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share price per share. + References No definition available. + Details
Name: | kzia_SharePricePerShare
Namespace Prefix: | kzia_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kzia_TrancheFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kzia_TrancheEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kzia_TrancheNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kzia_TrancheTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kzia_TrancheElevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kzia_TrancheTwelveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kzia_TrancheThirteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kzia_TrancheFourteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kzia_TrancheFifteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=kzia_TrancheSixteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |