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Deposit-Related Loss (Details Narrative) $ in Thousands	Aug. 08, 2017 USD ($)
Overdraft balance amount	$ 8,100
Third Quarter of 2017 [Member]
Collection amount privided	2,200
Third Party [Member]
Overdraft balance amount	$ 10,300

X

- Definition

Collection amount privided to cover overdraft.

+ References

No definition available.

+ Details

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Namespace Prefix:	LARK_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 45
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99376301&loc=d3e1243-112600

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Balance Type:	credit
Period Type:	instant

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- Details

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Namespace Prefix:
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Balance Type:
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- Details

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