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v3.20.1

Subsequent Events (Details) - USD ($) $ in Millions |  | 1 Months Ended
--- | --- | ---
Feb. 26, 2020 | Feb. 29, 2020
Subsequent Event [Line Items] |  |
Payment for amendment agreement | $ 15.8 |
Subsequent event |  |
Subsequent Event [Line Items] |  |
Reduction to the gain on the sale of the business |  | $ 4.1

X
- Definition Payment For Amendment Agreement + References No definition available. + Details
Name: | ftk_PaymentForAmendmentAgreement
Namespace Prefix: | ftk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount awarded to other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedToOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |