ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

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	%