ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from External Customer [Line Items]

Schedule of Cash and Cash Equivalents [Table Text Block]

The following table provides a reconciliation of cash and cash equivalents, and restricted cash reported within the Company's consolidated balance sheets to the total amount presented in the consolidated statement of cash flows (in thousands):

	December 31, 2020		December 31, 2019
Cash and cash equivalents at beginning of period	$	24,762	$	21,845
Current restricted cash at beginning of period	943		1,514
Long-term restricted cash at beginning of period	5,295		7,225
Cash, cash equivalents, and restricted cash at beginning of period	$	31,000	$	30,584
Cash and cash equivalents at end of period	$	22,207	$	24,762
Current restricted cash at end of period	944		943
Long-term restricted cash at end of period	4,346		5,295
Cash, cash equivalents, and restricted cash at end of period	$	27,497	$	31,000

Revenue from External Customers by Products and Services [Table Text Block]

Our sales mix for the years ended December 31, was as follows (in millions, except percentages):

	2020		Percentage		2019		Percentage
Consolidated product sales	$	146.2	96.5	%	$	154.6	98.0	%
Consolidated pack sales and associate fees	4.2		2.8	%	2.3		1.5	%
Consolidated other	1.0		0.7	%	0.8		0.5	%
Total consolidated net sales	$	151.4	100.0	%	$	157.7	100.0	%

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	2 to 10 years

Loyalty deferred revenue

Loyalty program	(in thousands)
Loyalty deferred revenue as of January 1, 2019	$	4,231
Loyalty points forfeited or expired	(4,348)
Loyalty points used	(9,127)
Loyalty points vested	11,320
Loyalty points unvested	1,051
Loyalty deferred revenue as of December 31, 2019	$	3,127

Loyalty deferred revenue as of January 1, 2020	$	3,127
Loyalty points forfeited or expired	(3,249)
Loyalty points used	(9,385)
Loyalty points vested	12,771
Loyalty points unvested	1,223
Loyalty deferred revenue as of December 31, 2020	$	4,487

Sales return reserve

For the years ended December 31, 2020 and December 31, 2019, our sales return reserve consisted of the following (in thousands):

Sales reserve as of January 1, 2019	$	76
Provision related to sales made in current period	1,037
Adjustment related to sales made in prior periods	31
Actual returns or credits related to current period	(973)
Actual returns or credits related to prior periods	(103)
Sales reserve as of December 31, 2019	$	68
Sales reserve as of January 1, 2020	$	68
Provision related to sales made in current period	1,028
Adjustment related to sales made in prior periods	5
Actual returns or credits related to current period	(959)
Actual returns or credits related to prior periods	(71)
Sales reserve as of December 31, 2020	$	71

Concentration risk

Revenue from these products were as follows for the years ended December 31, 2020 and 2019 (in thousands, except percentages):

	2020				2019
	Sales by product		% of total net sales		Sales by product		% of total net sales
Ambrotose Life®	$	36,066	23.8	%	$	34,975	22.2	%
TruHealth™	16,263		10.7	%	16,193		14.2	%
Advanced Ambrotose®	14,662		9.7	%	22,390		10.3	%
Optimal Support Packets	7,996		5.3	%	4,110		2.6	%
GI-Pro (MicroBiome)	7,513		5.0	%	6,559		4.2	%
Total	$	82,500	54.5	%	$	84,227	53.5	%