INTANGIBLE ASSETS (Narrative) (Details) - USD ($) $ in Thousands		9 Months Ended
Dec. 17, 2015	Sep. 30, 2018	Sep. 30, 2017
Intangible Assets Net Excluding Goodwill [Abstract]
South Beach Diet acquisition, initial cash outlay	$ 15,000
Finite-lived intangible asset, useful life		15 years
Amortization expense		$ 750	$ 750
Domain names		$ 84

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

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No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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