Name:	fork_VariableInterestEntityActivityBetweenVieAndEntityNetCashProvidedByFinancingActivities
Namespace Prefix:	fork_
Data Type:	xbrli:monetaryItemType
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The amount of net cash provided by operating activities between the reporting entity and the Variable Interest Entity (VIE).

No definition available.

Name:	fork_VariableInterestEntityActivityBetweenVieAndEntityNetCashProvidedByOperatingActivities
Namespace Prefix:	fork_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of net income (loss) between the reporting entity and the Variable Interest Entity (VIE)

No definition available.

Name:	fork_VariableInterestEntityActivityBetweenVieAndEntityNetIncomeLoss
Namespace Prefix:	fork_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The amount of net increase (decrease) in cash and cash equivalents between the reporting entity and the Variable Interest Entity (VIE).

No definition available.

Name:	fork_VariableInterestEntityActivityBetweenVieAndEntityNetIncreaseInCashAndCashEquivalents
Namespace Prefix:	fork_
Data Type:	xbrli:monetaryItemType
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Net assets.

No definition available.

Name:	fork_VariableInterestEntityConsolidatedCarryingAmountOfAssetsAndLiabilitiesNet
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Total assets.

No definition available.

Name:	fork_VariableInterestEntityOfConsolidatedCarryingAmountAssets
Namespace Prefix:	fork_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Total liabilities.

No definition available.

Name:	fork_VariableInterestEntityOfConsolidatedCarryingAmountLiabilities
Namespace Prefix:	fork_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of income between the reporting entity and the Variable Interest Entity (VIE).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph d
-URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_VariableInterestEntityLineItems
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