XML 70 R56.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Commitment and Contingencies (Details) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2022 | Oct. 31, 2021 | Jun. 30, 2022 | Sep. 30, 2021 | Apr. 28, 2021
Loss Contingencies [Line Items] |  |  |  |  |
Advances to suppliers |  |  | $ 62,197 | $ 9,741 |
Advances to suppliers |  |  | 17,500 | 0 |
Inventory valuation reserves |  |  | 899 | 14,227 |
Inventory valuation reserves, inventory write-down |  |  | 13,000 |  |
Inventory capacity guarantee |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Advance payment |  |  | 60,000 |  |
Advances to suppliers |  |  | 42,500 |  |
Advances to suppliers |  |  | 17,500 |  |
2021 Cargo Loss Incident |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Inventory valuation reserves |  |  |  | $ 13,000 |
Insurance proceeds expected |  |  |  |  | $ 10,000
Insurance proceed collected | $ 2,500 | $ 7,500 | $ 10,000 |  |

X
- Definition Advances On Inventory Purchases, Noncurrent + References No definition available. + Details
Name: | flnc_AdvancesOnInventoryPurchasesNoncurrent
Namespace Prefix: | flnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Inventory Valuation Reserves, Inventory Write-down + References No definition available. + Details
Name: | flnc_InventoryValuationReservesInventoryWriteDown
Namespace Prefix: | flnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payments For Advances on Inventory Purchases + References No definition available. + Details
Name: | flnc_PaymentsForAdvancesOnInventoryPurchases
Namespace Prefix: | flnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Carrying value of capitalized payments made in advance for inventory that is expected to be received within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_AdvancesOnInventoryPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. + References No definition available. + Details
Name: | us-gaap_InsuranceSettlementsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of valuation reserve for inventory. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.BB) -URI https://asc.fasb.org/extlink&oid=27011343&loc=d3e100047-122729 + Details
Name: | us-gaap_InventoryValuationReserves
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash inflow for proceeds from settlement of insurance claim, classified as operating activities. Excludes insurance settlement classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 16 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3337-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21B -URI https://asc.fasb.org/extlink&oid=126954810&loc=SL94080549-108585 + Details
Name: | us-gaap_ProceedsFromInsuranceSettlementOperatingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=flnc_InventoryCapacityGuaranteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=flnc_A2021CargoLossIncidentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |