ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Business	Sep. 30, 2012	Dec. 31, 2012
Cash and Cash Equivalents [Abstract]
Credit card receivables	$ 3,300,000		$ 3,300,000		$ 1,700,000
Cash and cash equivalents held in foreign bank accounts	14,300,000		14,300,000		10,800,000
Restricted Cash [Abstract]
Restricted cash	6,600,000		6,600,000		5,300,000
Accounts Receivables [Abstract]
Allowance for doubtful accounts	100,000		100,000		100,000
Other Assets [Abstract]
Other assets	2,938,000		2,938,000		3,187,000
Deposits for building leases	1,500,000		1,500,000		1,800,000
Fair trade commission deposits	1,000,000		1,000,000		1,000,000
Indefinite lived intangible assets	200,000		200,000		200,000
Other Long-Term Liabilities [Abstract]
Accrued lease restoration costs	200,000		200,000		500,000
Estimated defined benefit obligation related to a non-U.S. defined benefit plan for its Japan operations	700,000		700,000		700,000
Global product sales threshold for Long-Term Post Employment Royalty Agreement			105,400,000
Recognition period of employment agreement			2 years
Post-employment benefit liability	100,000		100,000		200,000
Revenue Recognition [Abstract]
Deferred revenue	5,300,000		5,300,000		1,500,000
Deferred revenue associated with loyalty program	2,500,000		2,500,000
Deferred commissions	2,240,000		2,240,000		562,000
Percentage of sale returns (in hundredths)			1.50%
Shipping and Handling Costs [Abstract]
Revenue from freight and shipping fees	1,900,000	1,600,000	5,700,000	4,600,000
Freight costs	1,700,000	1,900,000	5,000,000	5,600,000
Commissions and Incentives [Abstract]
Number of business periods per year			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
Total commission and incentive expenses reclassified to operating expenses	19,600,000	18,700,000	56,400,000	56,300,000
Reserve for Sales Returns [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Sales reserve as of January 1, 2013			156,000
Provision related to sales made in current period			882,000
Adjustment related to sales made in prior periods			3,000
Actual returns or credits related to current period			(706,000)
Actual returns or credits related to prior periods			(159,000)
Sales reserve as of September 30, 2013	$ 176,000		$ 176,000