Represents the shares cancelled during the period.

No definition available.

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Period Type:	duration

- Definition

Represents the shares holding with stockholders.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
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-Paragraph 2
-Subparagraph (c)
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Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's finance lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow from issuance of callable preferred stock which is identified as being convertible to another type of financial security at the option of the issuer or the holder.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
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Period Type:

- Details

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Data Type:	na
Balance Type:
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- Details

Name:	dei_LegalEntityAxis=fcre_OpportunityFundISSLLCMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
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Period Type:

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Data Type:	na
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Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=fcre_AmendedAndRestatedSeparationAgreementMember
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Data Type:	na
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- Details

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Subsequent Events (Details Narrative) - USD ($) $ in Thousands				3 Months Ended		12 Months Ended
	Apr. 27, 2018	Apr. 20, 2018	Apr. 18, 2018	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Proceeds from redeemable convertible preferred stock				$ 2,225		$ 1,458
Subsequent Event [Member]
Lease term	5 years
Lease term renewal	2 years
Redeemable Convertible Series B Preferred Stock [Member]
Number of shares issued
Opportunity Fund I-SS, LLC (Investor) [Member] \| Redeemable Convertible Series B Preferred Stock [Member] \| Subsequent Event [Member]
Shares holding with stockholders			6,220,436
Ownership percentage			5241.00%
Cancellation and Exchange Agreement [Member] \| Opportunity Fund I-SS, LLC (Investor) [Member] \| Redeemable Convertible Series B Preferred Stock [Member] \| Subsequent Event [Member]
Number of shares issued		2,000
Proceeds from redeemable convertible preferred stock		$ 2,000,000
Cancellation and Exchange Agreement [Member] \| Opportunity Fund I-SS, LLC (Investor) [Member] \| Redeemable Convertible Series A Preferred Stock [Member] \| Subsequent Event [Member]
Proceeds from redeemable convertible preferred stock		$ 5,382,274
Cancellation of Shares		95,770
Amended and Restated Separation Agreement [Member] \| Subsequent Event [Member] \| Kona International Group Inc [Member]
Shares holding with stockholders			8,592,972
Ownership percentage			60.34%