Accrued salary, accrued retirement, and incentive fee - related party (Details Narrative) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022
Incentive fee percentage	1.00%		1.00%
Market capitalization	$ 260,000		$ 260,000
Market capitalization rate	0.50%		0.50%
Increase in stock price			$ 1
Incentive fee expense	$ 0	$ 0
Maximum [Member]
Market capitalization rate	4.00%		4.00%
Increase in stock price			$ 8

Incentive fee percentage.

No definition available.

Name:	MNTR_IncentiveFeePercentage
Namespace Prefix:	MNTR_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Market capitalization rate.

+ References

No definition available.

+ Details

Name:	MNTR_MarketCapitalizationRate
Namespace Prefix:	MNTR_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

This element represents the total consolidated (as applicable) capitalization of the entity which is comprised of its long-term debt and equity instruments. The table may be detailed by subsidiary (legal entity) and include information by type of debt or equity detailed by instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_CapitalizationLongtermDebtAndEquity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of expense for incentive rights held by the managing member or general partner, of limited liability company (LLC) or limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

Name:	us-gaap_IncentiveFeeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Per share increase in exercise price of option. Excludes change due to standard antidilution provision and option granted under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

Name:	us-gaap_StockOptionExercisePriceIncrease
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: