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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) | 12 Months Ended | 36 Months Ended
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Dec. 31, 2023 USD ($) Distributor customer item | Dec. 31, 2022 USD ($) customer | Dec. 31, 2021 USD ($) | Dec. 31, 2023 USD ($)
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |  |  |
Number of independent distributors | Distributor | 74 |  |  |
Distributors serve | item | 50 |  |  |
Accounts receivable, allowance for doubtful accounts | $ 1,527,000 | $ 1,319,000 |  | $ 1,527,000
Allowance for doubtful accounts (in dollars) | 1,527,000 | 1,319,000 |  | 1,527,000
Product warranty expense | 4,000,000.0 | 3,200,000 | $ 2,400,000 |
Research and development costs | 6,000,000.0 | 4,000,000.0 | 3,600,000 |
Unrecognized tax benefits | 0 | 0 |  | 0
Unrecognized tax positions | 0 | 0 |  | 0
Net revenue | 1,153,354,000 | 848,456,000 | 717,476,000 |
Long - Lived Assets | 135,920,000 | 124,674,000 | 109,346,000 | 135,920,000
Settlement of contract liability |  |  |  | 15,000.0
Contract assets. | 0 | 0 |  | 0
Contract liabilities | 200,000 | 200,000 | 300,000 | 200,000
North America |  |  |  |
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |  |  |
Net revenue | 1,038,964,000 | 765,307,000 | 627,573,000 |
Long - Lived Assets | 129,039,000 | 120,009,000 | 104,231,000 | 129,039,000
Foreign |  |  |  |
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |  |  |
Net revenue | 114,390,000 | 83,149,000 | 89,903,000 |
Long - Lived Assets | $ 6,881,000 | $ 4,665,000 | $ 5,115,000 | $ 6,881,000
Accounts Receivable | Customer Concentration Risk |  |  |  |
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |  |  |
Number of customer | customer | 1 | 1 |  |
Accounts Receivable | Customer Concentration Risk | Customer one |  |  |  |
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |  |  |
Concentration Risk, Percentage | 10.00% | 10.60% |  |

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