XML 52 R40.htm IDEA: XBRL DOCUMENT
v3.21.2

Leases - Additional Information (Details) |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 22, 2021 USD ($) ft² | Dec. 15, 2020 USD ($) ft² | Jun. 01, 2020 USD ($) | Apr. 13, 2020 USD ($) ft² | Oct. 15, 2019 USD ($) ft² | Mar. 12, 2019 USD ($) ft² | Sep. 30, 2021 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Jan. 30, 2018 USD ($) ft²
Land Subject to Ground Leases | ft² | 9,800 |  |  |  |  | 1,038 |  |  |  |
Operating Lease Monthly Rental Payment |  |  | $ 10,000 |  |  | $ 2,000 |  |  |  |
Operating lease rental expenses |  |  |  |  |  |  | $ 0 | $ 5,000 |  |
Lease obligation |  |  |  |  |  |  | 5,418,000 | 5,418,000 |  |
Boston, MA |  |  |  |  |  |  |  |  |  |
Security Deposit |  |  |  |  |  |  | 100,000 | $ 100,000 | $ 100,000 |
Sublease term amendment | Aug. 31, 2021 |  |  |  |  |  |  | Aug. 31, 2021 |  |
Operating lease expiration month and year |  |  |  |  |  |  |  | 2016-08 |  |
Lessee Operating Lease Monthly Rental Payment | $ 26,000 |  |  |  |  |  |  |  |  |
Houston, TX |  |  |  |  |  |  |  |  |  |
Land Subject to Ground Leases | ft² |  | 35,482 |  |  | 8,443 |  |  |  |  |
Operating Lease Area | ft² |  |  |  | 5,584 |  |  |  |  |  | 210
Operating Leases Future Minimum Monthly Payment Due Through Year 2021 |  | $ 37,000 |  | $ 12,000 | $ 17,000 |  |  |  |  | $ 1,000
Annual Base Rent |  | 3.00% |  | 3.00% | 3.00% |  |  |  |  |
Lessee Operating Lease Monthly Rental Payment |  |  | $ 15,000 |  |  |  |  |  |  |
Lease obligation |  |  |  |  |  |  | $ 0 | $ 0 |  |

X
- Definition Area of land subject to a ground lease. + References No definition available. + Details
Name: | us-gaap_LandSubjectToGroundLeases
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_SecurityDeposit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Annual base rent. + References No definition available. + Details
Name: | ziop_AnnualBaseRent
Namespace Prefix: | ziop_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of Lessee Operating Lease Monthly Average Rental Payment . + References No definition available. + Details
Name: | ziop_LesseeOperatingLeaseMonthlyAverageRentalPayment
Namespace Prefix: | ziop_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Lessee Operating Lease Monthly Rental Payment. + References No definition available. + Details
Name: | ziop_LesseeOperatingLeaseMonthlyRentalPayment
Namespace Prefix: | ziop_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Operating lease area. + References No definition available. + Details
Name: | ziop_OperatingLeaseArea
Namespace Prefix: | ziop_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Operating leases expiration month and year. + References No definition available. + Details
Name: | ziop_OperatingLeasesExpirationMonthAndYear
Namespace Prefix: | ziop_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating leases future minimum monthly payment due through year four. + References No definition available. + Details
Name: | ziop_OperatingLeasesFutureMinimumMonthlyPaymentDueThroughYearFour
Namespace Prefix: | ziop_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Sublease term commenced end date amendment. + References No definition available. + Details
Name: | ziop_SubleaseTermCommencedEndDateAmendment
Namespace Prefix: | ziop_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=ziop_MaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=ziop_HoustonTexasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |