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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2014
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] |
Estimated useful lives of fixed assets | The estimated useful lives of fixed assets are as follows:
| Estimated useful life
Office furniture and equipment | 5 to 7 years
Computer hardware and software | 3 to 5 years
Automobiles | 3 to 5 years
Leasehold improvements(1) | 2 to 10 years
(1) The Company amortizes leasehold improvements over the shorter of the useful estimated life of the leased asset or the lease term.
Loyalty deferred revenue | Deferred commissions were $4.5 million and $2.7 million at December 31, 2014 and December 31, 2013, respectively.
Loyalty program |  | (in thousands) |
Loyalty deferred revenue as of June 30, 2013 |  | $ | — |
Loyalty points forfeited |  |  | (1,136 | )
Loyalty points used |  |  | (723 | )
Loyalty points vested |  |  | 5,072 |
Loyalty points unvested |  |  | 2,243 |
Loyalty deferred revenue as of December 31, 2013 |  | $ | 5,456 |
Loyalty deferred revenue as of January 1, 2014 |  | $ | 5,456 |
Loyalty points forfeited |  |  | (4,664 | )
Loyalty points used |  |  | (12,348 | )
Loyalty points vested |  |  | 19,580 |
Loyalty points unvested |  |  | 1,679 |
Loyalty deferred revenue as of December 31, 2014 |  | $ | 9,703 |
Sales return reserve | For the year ended December 31, 2014 our sales return reserve consisted of the following (in thousands):
|  | December 31, 2014 |
Sales reserve as of January 1, 2014 |  | $ | 238 |
Provision related to sales made in current period |  |  | 1,618 |
Adjustment related to sales made in prior periods |  |  | 10 |
Actual returns or credits related to current period |  |  | (1,411 | )
Actual returns or credits related to prior periods |  |  | (248 | )
Sales reserve as of December 31, 2014 |  | $ | 207 |
Concentration risk | Revenue from these products were as follows for the years ended December 31, 2014 and 2013 (in thousands, except percentages):
|  | 2014 |  |  | 2013 |
|  | Sales by product |  |  | % of total net sales |  |  | Sales by product |  |  | % of total net sales |
Advanced Ambrotose® |  | $ | 63,791 |  |  |  | 33.6 | % |  | $ | 59,894 |  |  |  | 33.7 | %
Ambrotose® |  |  | 10,895 |  |  |  | 5.7 | % |  |  | 10,939 |  |  |  | 6.2 | %
Ūth TM Skin Rejuvenation |  |  | 13,431 |  |  |  | 7.1 | % |  |  | 2,406 |  |  |  | 1.4 | %
NutriVerus |  |  | 10,530 |  |  |  | 5.5 | % |  |  | 10,964 |  |  |  | 6.2 | %
Total |  | $ | 98,647 |  |  |  | 51.9 | % |  | $ | 84,203 |  |  |  | 47.5 | %

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- Definition Tabular disclosure of changes in the loyalty program through which customers earn loyalty points from qualified automatic orders, which can be applied to future purchases. The deferred dollar equivalent in revenue of these points is until the points are applied or forfeited. + References No definition available. + Details
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