The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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The amount of cash paid for deposits on goods and services during the period; excludes time deposits and deposits with other institutions, which pertain to financial service entities.

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Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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Property, Plant, and Equipment and Other Assets (Details Narrative) (10-K) $ in Thousands	1 Months Ended	3 Months Ended		12 Months Ended
	Sep. 30, 2019 USD ($) Containers	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Depreciation expense		$ 189	$ 342	$ 1,102	$ 170
Gain (loss) on disposition of property plant equipment		$ 1	$ 30	(352)	599
Tangible asset impairment charges				49	$ 64
Electrical Contract [Member]
Payments for deposits	$ 120
Office Lease [Member] \| Raleigh, NC [Member]
Payments for deposits	3
Bitcoin Mining Machines [Member]
Payments for deposits	$ 203
Property, plant and equipment, estimated useful lives	P5Y
Mining Assets [Member]
Tangible asset impairment charges				$ 49
Containers [Member]
Number of stores \| Containers	2