Schedule of minimum future payments receivable for performing finance leases receivable (Details)	Jun. 30, 2022 USD ($)
Leases [Abstract]
Lease Receivable, 2022	$ 80,879
Lease Interest, 2022	24,496
Lease Receivable 2023	91,408
Lease Interest, 2023	14,906
Lease Receivable, 2024	51,473
Lease Interest, 2024	6,487
Lease Receivable, 2025	43,021
Lease Interest, 2025	1,287
Lease Receivable	266,781
Lease Interest	$ 47,176

2023

No definition available.

Name:	MNTR_SalesTypeAndDirectFinancingLeasesLeaseInterestLeasePaymentsToBeReceivedNextRollingTwelveMonths
Namespace Prefix:	MNTR_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sales type and direct financing leases lease interest payments to be received next rolling year two.

+ References

No definition available.

+ Details

Name:	MNTR_SalesTypeAndDirectFinancingLeasesLeaseInterestLeasePaymentsToBeReceivedRollingYearTwo
Namespace Prefix:	MNTR_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Salestype and direct financing leases lease interest payments to be received.

+ References

No definition available.

+ Details

Name:	MNTR_SalesTypeAndDirectFinancingLeasesLeaseInterestPaymentsToBeReceived
Namespace Prefix:	MNTR_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

2022

+ References

No definition available.

+ Details

Name:	MNTR_SalesTypeAndDirectFinancingLeasesLeaseInterestPaymentsToBeReceivedRemainderOfFiscalYear
Namespace Prefix:	MNTR_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

2025

+ References

No definition available.

+ Details

Name:	MNTR_SalesTypeAndDirectFinancingLeasesLeaseInterestPaymentsToBeReceivedRollingYearThree
Namespace Prefix:	MNTR_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_LeasesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in third rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919391-209981

+ Details

Name:	us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableLeasePaymentsToBeReceivedRollingYearThree
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in second rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

+ Details

Name:	us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableLeasePaymentsToBeReceivedRollingYearTwo
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919391-209981

+ Details

Name:	us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in next rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date.

+ References

+ Details

Name:	us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextRollingTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

Name:	us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedRemainderOfFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant