GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($)  | 
3 Months Ended | 9 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Nov. 22, 2021  | 
Sep. 30, 2022  | 
Sep. 30, 2021  | 
Sep. 30, 2022  | 
Sep. 30, 2021  | 
Dec. 31, 2021  | 
Aug. 02, 2022  | 
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| Goodwill and Intangible Assets Disclosure [Abstract] | |||||||
| Goodwill | $ 6,235,000 | $ 6,235,000 | $ 5,059,000 | ||||
| Amortizable intangible assets: | |||||||
| Amortization | 1,800,000 | $ 100,000 | 5,100,000 | $ 300,000 | |||
| Impairment charges | 0 | $ 0 | 0 | $ 0 | |||
| WonderBlocks | |||||||
| Goodwill and Intangible Assets Disclosure [Abstract] | |||||||
| Goodwill | $ 1,176,000 | ||||||
| Amortizable intangible assets: | |||||||
| Goodwill acquired | $ 1,200,000 | 1,200,000 | |||||
| Licenses | |||||||
| Amortizable intangible assets: | |||||||
| Payment on conditions | $ 13,000,000 | 13,000,000 | |||||
| Licenses | Contingent Payments | |||||||
| Amortizable intangible assets: | |||||||
| Additional payment (up to) | $ 34,000,000 | 34,000,000 | |||||
| Contingent consideration advance payment | $ 8,000,000 | $ 8,000,000 | |||||
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- Definition Asset Acquisition, Contingent Consideration Arrangements, Range of Outcomes, Value, High No definition available. 
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- Definition Asset Acquisition, Contingent Consideration Payment No definition available. 
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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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. No definition available. 
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- References No definition available. 
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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