Supplemental Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	12 Months Ended
Jun. 14, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Supplemental non-cash investing and financing activities:
Supplemental non-cash investing and financing activities:		$ 2,043us-gaap_StockIssued1	$ 52,711us-gaap_StockIssued1	$ 0us-gaap_StockIssued1
Final Florida Chemical acquisition adjustment		1,162	0	0
Fair value of warrant liability reclassified to additional paid-in-capital	14,000	0	0	13,973
Value of common stock issued in payment of accrued liability		600	0	0
Equipment acquired through capital leases		0us-gaap_CapitalLeaseObligationsIncurred	754us-gaap_CapitalLeaseObligationsIncurred	1,263us-gaap_CapitalLeaseObligationsIncurred
Exercise of stock options by common stock surrender		1,198ftk_StockOptionsExercised	3,907ftk_StockOptionsExercised	0ftk_StockOptionsExercised
Supplemental cash payment information:
Interest paid		1,285us-gaap_InterestPaid	1,859us-gaap_InterestPaid	5,521us-gaap_InterestPaid
Income taxes paid		$ 22,389us-gaap_IncomeTaxesPaidNet	$ 17,783us-gaap_IncomeTaxesPaidNet	$ 14,049us-gaap_IncomeTaxesPaidNet

Stock Issued During Period, Value, Payment of Accrued Liability

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Exercise of Stock Options by Common Stock Surrender

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Warrant liability reclassified to additional paid in capital.

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The increase during the period in capital lease obligations due to entering into new capital leases.

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-Publisher FASB

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Amount of (increase) decrease to an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from the subsequent recognition of deferred tax assets.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The amount of cash paid for interest during the period.

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The fair value of stock issued in noncash financing activities.

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