XML 79 R56.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Note 11 - 2020 Cash Incentive Bonus Plan (Details Textual) - Cash Incentive Bonus Plan [Member] $ in Thousands |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Mar. 16, 2023 USD ($) | Mar. 16, 2023 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2021 USD ($) | Oct. 31, 2020 USD ($)
Cash Bonus Incentive, Incremental Amounts | 14 | 14 |  | 11 |
Performance Plan, Minimum Number of Days Valuation Milestone Must be Achieved and Maintained (Day) | 20 days | 20 days |  |  |
Percentage Valuation Milestone Cash Bonus Award Subject to Approval and Adjustment | 67.00% | 67.00% |  |  |
Cash Incentive Bonus Award |  |  |  |  | $ 6,500
Share-Based Payment Arrangement, Expense, after Tax |  |  |  | $ 0 |
Payments for Cash Incentive Bonus |  |  | $ 0 |  |
Minimum [Member] |  |  |  |  |
Performance Plan, Valuation Milestone Amount | $ 200,000 | $ 200,000 |  | $ 74,900 |
Cash Incentive Bonus Award, Exceeds Maximum | 111,400 | 111,400 |  |  |
Maximum [Member] |  |  |  |  |
Performance Plan, Valuation Milestone Amount | 5,000,000 | 5,000,000 |  |  |
Cash Incentive Bonus Award, Exceeds Maximum | $ 289,700 | $ 289,700 |  |  |

X
- Definition The number of incremental amounts for cash bonus incentive. + References No definition available. + Details
Name: | sava_CashBonusIncentiveIncrementalAmounts
Namespace Prefix: | sava_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of cash incentive bonus award. + References No definition available. + Details
Name: | sava_CashIncentiveBonusAward
Namespace Prefix: | sava_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of cash incentive bonus award if the maximum milestone is exceeded. + References No definition available. + Details
Name: | sava_CashIncentiveBonusAwardExceedsMaximum
Namespace Prefix: | sava_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of payments for cash incentive bonus. + References No definition available. + Details
Name: | sava_PaymentsForCashIncentiveBonus
Namespace Prefix: | sava_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition the percentage of valuation milestone cash bonus award subject to approval and adjustment. + References No definition available. + Details
Name: | sava_PercentageValuationMilestoneCashBonusAwardSubjectToApprovalAndAdjustment
Namespace Prefix: | sava_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The minimum number of days valuation milestone must be achieved and maintained in performance plan. + References No definition available. + Details
Name: | sava_PerformancePlanMinimumNumberOfDaysValuationMilestoneMustBeAchievedAndMaintained
Namespace Prefix: | sava_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of valuation milestone for performance plan. + References No definition available. + Details
Name: | sava_PerformancePlanValuationMilestoneAmount
Namespace Prefix: | sava_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after tax, of expense for award under share-based payment arrangement. + References No definition available. + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=sava_CashIncentiveBonusPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |