The minimum cash that is required to hold on hand pursuant to the debt agreement.

No definition available.

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Namespace Prefix:	lmst_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The minimum risk based capital to risk weighted assets ratio that are required to maintain pursuant to the debt agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	lmst_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The minimum percentage of non-performing assets to total assets that are required to maintain pursuant to the debt agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	lmst_
Data Type:	num:percentItemType
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Period Type:	instant

- Definition

The contractual interest rate for the first five years after issuance of funds under the debt agreement

+ References

No definition available.

+ Details

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Namespace Prefix:	lmst_
Data Type:	num:percentItemType
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Period Type:	instant

- Definition

The amount of issued and outstanding stock of the company which secures a loan in a first priority pledge.

+ References

No definition available.

+ Details

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Namespace Prefix:	lmst_
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Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

The cash outflow for the extinguishment of long-term borrowing, with the highest claim on the assets of the entity in case of bankruptcy or liquidation, before its maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from a borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in liquidation of the entity's assets or underlying collateral.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

+ Details

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

- Details

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Namespace Prefix:
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Balance Type:
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- Details

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- Details

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Period Type:

- Details

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Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=lmst_TenYearSubordinatedDebtNoteIssuedJuly232019Member
Namespace Prefix:
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Note 9 - Borrowings (Details Textual) - USD ($)		3 Months Ended	48 Months Ended	60 Months Ended
Note 9 - Borrowings (Details Textual) - USD ($)	Jul. 23, 2019	Mar. 31, 2020	Jun. 30, 2022	Jul. 31, 2029
Senior Notes [Member]
Early Repayment of Senior Debt	$ 5,000,000
Debt Instrument, Periodic Payment, Principal		$ 250,000
First Priority Pledge, Percent of Issued and Outstanding Stock		100.00%
Senior Notes [Member] \| Subsidiaries [Member]
Debt Instrument, Financial Covenants, Non-performing Assets to Total Assets, Percentage, Minimum		2.50%
Forecast [Member] \| Senior Notes [Member]
Debt Instrument, Financial Convenants, Minimum Cash on Hand			$ 2,500,000
Debt Instrument, Financial Convenants, Minimum Risk Based Capital to Risk Weighted Assets			10.00%
Forecast [Member] \| Senior Notes [Member] \| Subsidiaries [Member]
Debt Instrument, Financial Convenants, Minimum Risk Based Capital to Risk Weighted Assets			11.00%
London Interbank Offered Rate (LIBOR) [Member] \| Senior Notes [Member]
Debt Instrument, Basis Spread on Variable Rate		2.50%
Ten Year Subordinated Debt Note, Issued July 23, 2019 [Member]
Proceeds from Issuance of Subordinated Long-term Debt	$ 17,000,000
Debt Instrument, Fixed Rate for First Five Years	5.75%
Ten Year Subordinated Debt Note, Issued July 23, 2019 [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Forecast [Member]
Debt Instrument, Basis Spread on Variable Rate				3.95%