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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair value measurements on recurring and nonrecurring valuation techniques (Details) | 3 Months Ended | 12 Months Ended
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Mar. 31, 2022 | Dec. 31, 2021
Measurement Input, Discount Rate [Member] | Employment Agreement Award [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Assumptions Measurement Rate | 9.50% | 9.50%
Measurement Input, Discount Rate [Member] | Redeemable Noncontrolling Interest [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Assumptions Measurement Rate | 11.50% | 11.50%
Measurement Input, Long-term Revenue Growth Rate [Member] | Employment Agreement Award [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Assumptions Measurement Rate | 0.50% | 0.50%
Measurement Input, Long-term Revenue Growth Rate [Member] | Redeemable Noncontrolling Interest [Member] |  |
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |  |
Fair Value Assumptions Measurement Rate | 0.40% | 0.40%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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