INTANGIBLE ASSETS (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended
	Dec. 17, 2015	Mar. 31, 2017	Mar. 31, 2016
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		$ 250	$ 250
Domain names		$ 84