DISCONTINUED OPERATIONS, Redeemable Noncontrolling Interest, (Details) - Discontinued Operations [Member] - Nutra SA [Member] $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($) Representative Investor	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) Representative Investor	Sep. 30, 2016 USD ($)
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Redeemable noncontrolling interest in Nutra SA, beginning of period	$ (567)	$ (1,599)	$ (699)	$ 69
Investors' interest in net loss of Nutra SA	(792)	(470)	(1,359)	(2,416)
Investors' interest in other comprehensive loss of Nutra SA	(11)	(60)	38	218
Investors purchase of additional membership interest	0	200	650	200
Redeemable noncontrolling interest in Nutra SA, end of period	$ (1,370)	$ (1,929)	$ (1,370)	$ (1,929)
Investors' average interest in Nutra SA during the period	35.80%	32.50%	35.50%	32.20%
Investors' interest in Nutra SA at the end of the period	35.80%	32.70%	35.80%	32.70%
Number of representatives on management committee | Representative	3		3
Number of Investors on Management Committee | Investor	2		2
Number of representatives on management committee upon default | Representative	3		3
Number of investors on management committee upon default | Investor	2		2
EBITDA triggering default status			$ 4,000
Investors [Member]
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Drag along right, amount of initial public offering	$ 50,000		50,000
Amount paid exchange for termination of rights			$ 100