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COMMITMENTS AND CONTINGENCIES - Narrative (Details) |  | 3 Months Ended | 12 Months Ended |  |  |  |  |
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Dec. 29, 2019 numberOfRenewalOptions | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Nov. 10, 2020 | Nov. 01, 2020 | Jan. 07, 2020 ft² | Jun. 07, 2019 ft² | Mar. 01, 2019
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating lease cost |  | $ 293,000 |  | $ 150,000 |  |  |  |  |  |  |
Income from settlement |  | 0 |  | $ 0 | $ 1,200,000 |  |  |  |  |  |
Contingency accruals |  | 0 | $ 0 |  | 0 |  |  |  |  |  |
Legal fees |  | 36,000 | 408,000 |  |  |  |  |  |  |  |
PPC Irvine Center Investment, LLC |  |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Remaining Lease Term |  |  |  |  |  |  | 65 months |  |  |  |
Dynamics Sing Sdn. Bhd |  |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Remaining Lease Term | 48 months |  |  |  |  |  |  |  |  |  |
PF Grand Paris |  |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Remaining Lease Term |  |  |  |  |  |  |  |  |  |  | 109 months
Surety Bond |  |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Bonds outstanding |  | 100,000 | $ 100,000 |  | $ 100,000 |  |  |  |  |  |
Printronix |  |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Remaining Lease Term |  |  |  |  |  |  |  | 48 months |  |  |
Environmental costs recovered |  |  |  |  |  | $ 24,000 |  |  |  |  |
Legal fees |  | $ 0 |  |  |  |  |  |  |  |  |
Building |  |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Area of office space | ft² |  |  |  |  |  |  |  |  | 4,600 | 8,293 |
Term of lease |  |  |  |  |  |  |  |  | 24 months | 60 months |
Building | First amendment |  |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Term of lease |  |  |  |  |  |  |  |  | 3 years |  |
Manufacturing Facility | Lease 1 | Dynamics Sing Sdn. Bhd |  |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of renewal options | numberOfRenewalOptions | 2 |  |  |  |  |  |  |  |  |  |
Renewal term of lease | 4 years |  |  |  |  |  |  |  |  |  |
Manufacturing Facility | Lease 2 | Dynamics Sing Sdn. Bhd |  |  |  |  |  |  |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of renewal options | numberOfRenewalOptions | 1 |  |  |  |  |  |  |  |  |  |
Renewal term of lease | 2 years |  |  |  |  |  |  |  |  |  |

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