Summary of Significant Accounting Policies (Income Taxes) (Details) - filing_group	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Accounting Policies [Abstract]
Number of U.S. tax return filing groups	1	2

Number of federal income tax return filing groups.

No definition available.

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Namespace Prefix:	ftk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration