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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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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, 2021 | December 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):
| 2021 |  | Percentage |  | 2020 |  | Percentage
Consolidated product sales | $ | 151.0 |  |  | 94.5 | % |  | $ | 146.2 |  |  | 96.5 | %
Consolidated pack sales and associate fees | 8.0 |  |  | 5.0 | % |  | 4.2 |  |  | 2.8 | %
Consolidated other | 0.8 |  |  | 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 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, 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 |
Loyalty deferred revenue as of January 1, 2021 | $ | 4,487 |
Loyalty points forfeited or expired | (3,987) |
Loyalty points used | (9,809) |
Loyalty points vested | 11,676 |
Loyalty points unvested | 1,925 |
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 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 |
Sales reserve as of January 1, 2021 | $ | 71 |
Provision related to sales made in current period | 778 |
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):
| 2021 |  | 2020
| 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 | %

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