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v3.25.2

Self-Funded Health Insurance (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
Self-Funded Health Insurance |  |
Self-insure claims per employee | $ 30,000 |
Aggregate stop-loss | 1,000,000 |
Health insurance expense | 524,764 | $ 512,595
Claims incurred but not yet paid | $ 17,722 | $ 83,557

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- Definition Aggregate amount of stop-loss per plan year for participants under employee medical benefit plan. + References No definition available. + Details
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Namespace Prefix: | mara_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of liability recognized for claims incurred but not yet paid under employee medical benefit plan. + References No definition available. + Details
Name: | mara_EmployeeMedicalBenefitPlanLiability
Namespace Prefix: | mara_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of maximum self-insure claims under employee medical benefit plan per plan year for each individual. + References No definition available. + Details
Name: | mara_EmployeeMedicalBenefitPlanMaximumClaimsPerEmployee
Namespace Prefix: | mara_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Total expenses of a HCO before stop-loss insurance recoveries. Costs of services rendered (including costs of services rendered but not yet reported). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 954 -SubTopic 450 -Section 30 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478201/954-450-30-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 954 -SubTopic 450 -Section 30 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478201/954-450-30-3 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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