ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2014 Period Region	Mar. 31, 2013	Dec. 31, 2013
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Number of regions in which company sells products	3
Cash and Cash Equivalents [Abstract]
Credit card receivables	$ 1,900,000		$ 600,000
Cash and cash equivalents held in foreign bank accounts	16,600,000		14,700,000
Restricted Cash [Abstract]
Restricted cash	5,700,000		5,800,000
Accounts Receivable [Abstract]
Allowance for doubtful accounts	280,000		140,000
Other Assets [Abstract]
Other assets	3,720,000		3,591,000
Deposits for building leases	1,600,000		1,400,000
Fair trade commission deposits	1,700,000		1,800,000
Indefinite lived intangible assets	200,000		200,000
Other Long-Term Liabilities [Abstract]
Other long-term liabilities	1,961,000		2,101,000
Financing obligation in noncurrent liabilities	0		200,000
Uncertain income tax position	700,000		700,000
Accrued lease restoration costs	200,000		200,000
Estimated defined benefit obligation related to a non-U.S. defined benefit plan for its Japan operations	600,000		600,000
Revenue Recognition and Deferred Commissions [Abstract]
Deferred revenue	9,700,000		6,400,000
Deferred commissions	4,094,000		2,706,000
Loyalty Program [Abstract]
Loyalty deferred revenue, beginning balance	(5,456,000)		0
Loyalty points forfeited	936,000		1,136,000
Loyalty points used	570,000		723,000
Loyalty points vested	(1,027,000)		(5,072,000)
Loyalty points unvested	(2,728,000)		(2,243,000)
Loyalty deferred revenue, ending balance	(7,705,000)		(5,456,000)
Percentage of sale returns (in hundredths)	1.50%
Shipping and Handling Costs [Abstract]
Revenue from freight and shipping fees	1,900,000	1,900,000
Freight costs	1,600,000	1,600,000
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
Reserve for Sales Returns [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Sales reserve, beginning of year	238,000
Provision related to sales made in current period	473,000
Adjustment related to sales made in prior periods	(55,000)
Actual returns or credits related to current period	(206,000)
Actual returns or credits related to prior periods	(182,000)
Sales reserve, end of year	$ 268,000