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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]    
Allowance for doubtful accounts $ 69 $ 77
Short term investments   936
Warrants   531
CleanSpark [Member] | Fair Value Inputs Level 1 [Member]    
Property, Plant and Equipment [Line Items]    
Short term investments   936
CleanSpark [Member] | Fair Value Inputs Level 3 [Member]    
Property, Plant and Equipment [Line Items]    
Warrants   $ 531
Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Finite life intangible assets amortization period 4 years  
Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Finite life intangible assets amortization period 10 years  
Building [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 25 years  
Machinery and Equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 5 years  
Machinery and Equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 15 years  
Computer Hardware And Software [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 3 years  
Computer Hardware And Software [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 5 years  
Furniture and Fixtures [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 5 years  
Furniture and Fixtures [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful lives 7 years