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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) | 3 Months Ended | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2012 Plan Period | Dec. 31, 2011 | Dec. 31, 2012 Revenue from Core Ambrotose Products [Member] | Dec. 31, 2011 Revenue from Core Ambrotose Products [Member] | Dec. 31, 2012 Reserve for sales returns [Member] | Dec. 31, 2010 Reserve for sales returns [Member] | Dec. 31, 2012 Minimum [Member] | Dec. 31, 2012 Minimum [Member] Software [Member] | Dec. 31, 2012 Maximum [Member] | Dec. 31, 2011 Maximum [Member] | Dec. 31, 2012 Maximum [Member] Software [Member] | Dec. 31, 2012 Office Furniture and Equipment [Member] Minimum [Member] | Dec. 31, 2012 Office Furniture and Equipment [Member] Maximum [Member] | Dec. 31, 2012 Computer Hardware and Software [Member] Minimum [Member] | Dec. 31, 2012 Computer Hardware and Software [Member] Maximum [Member] | Dec. 31, 2012 Automobiles [Member] Minimum [Member] | Dec. 31, 2012 Automobiles [Member] Maximum [Member] | Dec. 31, 2012 Leasehold Improvements [Member] Minimum [Member] | Dec. 31, 2012 Leasehold Improvements [Member] Maximum [Member]
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reverse stock split ratio (in hundredths) |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign Currency Translation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transaction gain (loss) |  | $ 700,000 | $ (1,500,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and Cash Equivalents [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit card receivables | 1,700,000 | 1,700,000 | 1,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents held in foreign bank accounts | 10,800,000 | 10,800,000 | 10,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Cash [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted cash | 5,300,000 | 5,300,000 | 4,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts Receivables [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | 100,000 | 100,000 | 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 | 3,187,000 | 3,187,000 | 2,815,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deposits for building leases | 1,800,000 | 1,800,000 | 1,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair trade commission deposits | 1,000,000 | 1,000,000 | 900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Indefinite lived intangible assets | 200,000 | 200,000 | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-interest bearing promissory note | 300,000 | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term note receivable, non current | 200,000 | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term note receivable, current | 100,000 | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Long-Term Liabilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 | 200,000 | 200,000 | 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Post-employment benefit liability, current | 100,000 | 100,000 | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impact of reduction in accrued royalty liability on other operating expense | 800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued lease restoration costs | 500,000 | 500,000 | 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined benefit plan obligation | 714,000 | 714,000 | 1,270,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue Recognition [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenue | 1,500,000 | 1,500,000 | 1,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of sale returns (in hundredths) |  | 1.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at Beginning of Year |  |  |  |  |  | 528,000 | 389,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provision related to sales made in 2012 |  |  |  |  |  | 1,487,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provision related to sales made prior to 2012 |  |  |  |  |  | (319,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual returns or credits in 2012 related to 2012 |  |  |  |  |  | (1,316,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actual returns or credits in 2012 related to prior periods |  |  |  |  |  | (224,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at End of Year |  |  |  |  |  | 156,000 | 389,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shipping and Handling Costs [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from freight and shipping fees |  | 6,200,000 | 7,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Freight costs |  | 7,200,000 | 7,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distribution expenses |  | 2,600,000 | 2,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 |  | 73,800,000 | 87,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advertising Expenses [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advertising and promotional expense |  | 4,200,000 | 4,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and Development Expenses [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Research and development consulting fees |  | $ 1,900,000 | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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 | 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) |  |  |  | 45.20% | 41.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | The Company amortizes leasehold improvements over the shorter of the useful estimated life of the leased asset or the lease term.

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