Self-Funded Health Insurance (Details) - USD ($)	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Self-Funded Health Insurance
Self-insure claims per employee	$ 30,000
Aggregate stop-loss	1,000,000
Health insurance expense	447,827	$ 568,947
Claims incurred but not yet paid	$ 41,954	$ 118,481

Aggregate amount of stop-loss per plan year for participants under employee medical benefit plan.

No definition available.

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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

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Period Type:	instant

- Definition

Amount of maximum self-insure claims under employee medical benefit plan per plan year for each individual.

+ References

No definition available.

+ Details

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Namespace Prefix:	mara_
Data Type:	xbrli:monetaryItemType
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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 450
-Section 30
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123384242&loc=d3e5919-115623

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 450
-Section 30
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123384242&loc=d3e5910-115623

+ Details

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Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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