ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($) Region Period	Dec. 31, 2015 USD ($)
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Number of regions in which company sells products | Region	3
Cash and Cash Equivalents [Abstract]
Credit card receivables	$ 1,900	$ 400
Cash and cash equivalents held in foreign bank accounts	30,400	31,300
Restricted Cash [Abstract]
Restricted cash	8,300	8,100
Accounts Receivable [Abstract]
Allowance for doubtful accounts	400	300
Other Assets [Abstract]
Other assets	3,878	3,759
Deposits for building leases	2,000	1,900
Fair trade commission deposits	1,600	1,600
Indefinite lived intangible assets	200	200
Notes Payable [Abstract]
Notes payable	1,900	1,800
Notes payable, current portion	971	713
Notes payable, long-term portion	979	1,069
Other Long-Term Liabilities [Abstract]
Other long-term liabilities	2,003	1,994
Uncertain income tax position	700	700
Accrued lease restoration costs	500	400
Defined benefit plan obligation	500	500
Revenue Recognition and Deferred Commissions [Abstract]
Deferred revenue	9,926	8,677
Deferred revenue associated loyalty program	8,400	8,100
Deferred commissions	3,969	3,443
Loyalty Program [Abstract]
Loyalty deferred revenue, beginning balance	8,073	9,703
Loyalty points forfeited or expired	(1,535)	(8,801)
Loyalty points used	(4,063)	(15,077)
Loyalty points vested	3,672	20,403
Loyalty points unvested	2,276	1,845
Loyalty deferred revenue, ending balance	$ 8,423	8,073
Percentage of sale returns	1.50%
Commissions and Incentives [Abstract]
Number of business periods per year | Period	13
Number of days per business period	28 days
Number of weeks following business period end for payment of product sales commissions	three weeks
Number of weeks following business period end for payment of pack sales commissions	five weeks
Reserve for Sales Returns [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Sales reserve, beginning of year	$ 147
Provision related to sales made in current period	213
Adjustment related to sales made in prior periods	(32)
Actual returns or credits related to current period	(79)
Actual returns or credits related to prior periods	(104)
Sales reserve, end of period	$ 145	$ 147