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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2021
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, 2021December 31, 2020
Cash and cash equivalents at beginning of period $22,207 $24,762 
Current restricted cash at beginning of period 944 943 
Long-term restricted cash at beginning of period 4,346 5,295 
Cash and cash equivalents and restricted cash at beginning of period $27,497 $31,000 
Cash and cash equivalents at end of period $24,185 $22,207 
Current restricted cash at end of period 944 944 
Long-term restricted cash at end of period 503 4,346 
Cash and cash equivalents and restricted cash at end of period$25,632 $27,497 
Revenue from External Customers by Products and Services [Table Text Block] ur sales mix for the years ended December 31, was as follows (in millions, except percentages):
 2021Percentage2020Percentage
     Consolidated product sales$151.0 94.5 %$146.2 96.5 %
     Consolidated pack sales and associate fees8.0 5.0 %4.2 2.8 %
     Consolidated other0.8 0.5 %1.0 0.7 %
     Total consolidated net sales$159.8 100.0 %$151.4 100.0 %
Estimated useful lives of fixed assets The estimated useful lives of fixed assets are as follows:
 Estimated useful life
Office furniture and equipment5 to 7 years
Computer hardware and software3 to 5 years
Automobiles3 to 5 years
Leasehold improvements2 to 10 years
Loyalty deferred revenue
Loyalty program(in thousands)
Loyalty deferred revenue as of January 1, 2020$3,127 
Loyalty points forfeited or expired(3,249)
Loyalty points used(9,385)
Loyalty points vested12,771 
Loyalty points unvested1,223 
Loyalty deferred revenue as of December 31, 2020$4,487 
Loyalty deferred revenue as of January 1, 2021$4,487 
Loyalty points forfeited or expired(3,987)
Loyalty points used(9,809)
Loyalty points vested11,676 
Loyalty points unvested1,925 
Loyalty deferred revenue as of December 31, 2021$4,292 
Sales return reserve For the years ended December 31, 2021 and December 31, 2020, our sales return reserve consisted of the following (in thousands):
Sales reserve as of January 1, 2020$68 
Provision related to sales made in current period1,028 
Adjustment related to sales made in prior periods5 
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 
Sales reserve as of January 1, 2021$71 
Provision related to sales made in current period778 
Adjustment related to sales made in prior periods(11)
Actual returns or credits related to current period(728)
Actual returns or credits related to prior periods(55)
Sales reserve as of December 31, 2021$55 
Concentration risk Revenue from these products were as follows for the years ended December 31, 2021 and 2020 (in thousands, except percentages):
 20212020
 Sales by
product		% of total
net sales		Sales by
product		% of total
net sales
Ambrotose Life®
$28,776 18.0 %$36,066 23.8 %
TruHealth™
18,010 11.3 %16,263 10.7 %
Manapol® Powder
13,141 8.2 %7,187 4.7 %
Advanced Ambrotose®
11,158 7.0 %14,662 9.7 %
GI-Pro (MicroBiome)8,478 5.3 %7,513 5.0 %
Total$79,563 49.8 %$81,691 53.9 %