SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) Number	Dec. 31, 2018 USD ($)
Property, Plant and Equipment [Line Items]
Allowance for doubtful accounts	$ 77	$ 123
Number of reporting units with goodwill | Number	2
Aggregate number of reporting units | Number	4
Impairment of goodwill	$ 2,969
Impairment charges	83	1,350
Short term investments	936
Warrants	531
Fair Value Inputs Level 1 [Member]
Property, Plant and Equipment [Line Items]
Short term investments	936
Fair Value Inputs Level 3 [Member]
Property, Plant and Equipment [Line Items]
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
Technology Related Industry [Member]
Property, Plant and Equipment [Line Items]
Impairment charges		870
Customer Relationships [Member]
Property, Plant and Equipment [Line Items]
Impairment charges		377
Noncompete Agreements [Member]
Property, Plant and Equipment [Line Items]
Impairment charges		$ 103
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
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