SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) |
3 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2021 |
Dec. 31, 2020 |
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| SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Accrued warranty |
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| Schedule of estimated useful lives of the assets |
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- Definition Tabular disclosure of the useful life of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. No definition available.
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- References No definition available.
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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