ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	12 Months Ended						12 Months Ended
	Dec. 31, 2013 Period Plan Region	Dec. 31, 2012	Dec. 31, 2013 Revenue from Core Ambrotose Products [Member]	Dec. 31, 2012 Revenue from Core Ambrotose Products [Member]	Dec. 31, 2013 Reserve for Sales Returns [Member]	Dec. 31, 2011 Reserve for Sales Returns [Member]	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Minimum [Member] Software [Member]	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2013 Maximum [Member] Software [Member]	Dec. 31, 2013 Office Furniture and Equipment [Member] Minimum [Member]	Dec. 31, 2013 Office Furniture and Equipment [Member] Maximum [Member]	Dec. 31, 2013 Computer Hardware and Software [Member] Minimum [Member]	Dec. 31, 2013 Computer Hardware and Software [Member] Maximum [Member]	Dec. 31, 2013 Automobiles [Member] Minimum [Member]	Dec. 31, 2013 Automobiles [Member] Maximum [Member]	Dec. 31, 2013 Leasehold Improvements [Member] Minimum [Member]		Dec. 31, 2013 Leasehold Improvements [Member] Maximum [Member]
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Number of regions in which company sells products	3
Foreign Currency Translation [Abstract]
Transaction gains (losses)	$ (900,000)	$ 700,000
Cash and Cash Equivalents [Abstract]
Credit card receivables	600,000	1,700,000
Cash and cash equivalents held in foreign bank accounts	14,700,000	10,800,000
Restricted Cash [Abstract]
Restricted cash	5,800,000	5,300,000
Accounts Receivables [Abstract]
Allowance for doubtful accounts	140,000	20,000
Accounts receivable, net	100,000
Property, Plant and Equipment [Line Items]
Estimated useful lives of assets											5 years	7 years	3 years	5 years	3 years	5 years	2 years	[1]	10 years	[1]
Other Assets [Abstract]
Other assets	3,591,000	3,187,000
Deposits for building leases	1,400,000	1,800,000
Fair trade commission deposits	1,800,000	1,000,000
Indefinite lived intangible assets	200,000	200,000
Other Long-Term Liabilities [Abstract]
Accrued lease restoration costs	200,000	500,000
Defined benefit plan obligation	629,000	714,000
Other long-term liabilities	2,101,000	2,180,000
Financing obligation in noncurrent liabilities	200,000	500,000
Uncertain income tax positions recorded in noncurrent liabilities	700,000	100,000
Loyalty Program [Line Items]
Deferred revenue associated with the loyalty program	0
Loyalty points forfeited	1,136,000
Loyalty points used	723,000
Loyalty points vested	(5,072,000)
Loyalty points unvested	(2,243,000)
Deferred revenue associated loyalty program	(5,456,000)	0
Deferred revenue	6,400,000	1,500,000
Deferred commissions	2,706,000	562,000
Percentage of sale returns (in hundredths)	1.50%
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of year					156,000	528,000
Provision related to sales made in current period					1,367,000
Adjustment related to sales made in prior periods					4,000
Actual returns or credits related to current period					(1,130,000)
Actual returns or credits related to prior periods					(159,000)
Balance at end of year					238,000	528,000
Shipping and Handling Costs [Abstract]
Revenue from freight and shipping fees	7,700,000	6,200,000
Freight costs	6,800,000	7,200,000
Commissions and Incentives Expenses [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
Advertising Expenses [Abstract]
Advertising and promotional expense	4,300,000	4,200,000
Research and Development Expenses [Abstract]
Research and development consulting fees	$ 1,600,000	$ 1,900,000
Stock-Based Compensation [Abstract]
Number of active stock based compensation plan	1
Option contract term	10 years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of stock options							2 years		3 years
Percentages of stock option ownership considered for higher exercise price of option (in hundredths)	10.00%
Option exercise price as percentages of closing exercise price of stock for specific shareholders (in hundredths)	110.00%
Expiration period of stock option plan	5 years
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of software								3 years		5 years
Concentration Risk [Line Items]
Concentration risk, percentage (in hundredths)			40.00%	45.20%

[1] The Company amortizes leasehold improvements over the shorter of the useful estimated life of the leased asset or the lease term.