Acquisitions (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		5 Months Ended	12 Months Ended
	Dec. 02, 2021	Mar. 26, 2018	Feb. 21, 2018	May 26, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Feb. 29, 2020
Business Acquisition [Line Items]
Aggregate cash consideration					$ 40,879
Income taxes benefit					(254)		143
Impairment of intangible rights acquired							700
Revenues					213,243	12,081	6,837
Net income (loss)					$ (7,926)	$ (12,667)	(20,303)
Number of shares issued					116,748,472	78,523,517
Customer relationships [Member]
Business Acquisition [Line Items]
Estimated useful average life	10 years
Discount rate	21.00%
Income tax rate	25.00%
Trademarks [Member]
Business Acquisition [Line Items]
Estimated useful average life					10 years
UL Listings [Member]
Business Acquisition [Line Items]
Estimated useful average life	12 years
Discount rate	15.00%
Acquisition of ESS Metron [Member]
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Cash consideration net of working capital	$ 25,000
Net debt outstanding	3,700
Fair value of acquired trade receivables	$ 9,900
Revenues					$ 4,200
Acquisition related costs					2,100
Net income (loss)					200
Number of shares issued	645,248
Number of remaining shares withheld as security	70,165
Annual lease payments					900
Intangible assets					$ 14,000
Acquisition of ESS Metron [Member] | Lease One [Member]
Business Acquisition [Line Items]
Remaining lease terms					3 years 6 months
Acquisition of ESS Metron [Member] | Lease Two [Member]
Business Acquisition [Line Items]
Remaining lease terms					10 years
Acquisition of ESS Metron One [Member]
Business Acquisition [Line Items]
Number of shares acquired	715,413
Number of shares acquired value	$ 26,700
Cash payment including debt payoff	$ 30,100
Prive Technologies, Inc. [Member]
Business Acquisition [Line Items]
Common stock shares held in escrow			200,000					200,000
Common stock escrow value					$ 10,000
Net purchase price			$ 19,500
Logical Brokerage Corp [Member]
Business Acquisition [Line Items]
Percentage of voting interests acquired		92.50%
Common stock, par value		$ 9.25
Aggregate cash consideration		$ 600
Net purchase price		100
Purchase of consideration		$ 600
Income taxes benefit							100
Impairment of intangible rights acquired							$ 700
Whinstone US, Inc. [Member]
Business Acquisition [Line Items]
Percentage of voting interests acquired				100.00%
Cash consideration net of working capital				$ 80,000
Number of shares acquired				11,800,000
Number of shares acquired value				$ 326,200
Net debt outstanding				38,100
Additional consideration paid				86,000
Cash payment including debt payoff				53,000
Contingent purchase price payable				83,000
Other net				1,700
Fair value of acquired trade receivables				1,100
Fair value derivative asset discounted debt-free cash flow				14,000
Increase decrease in deferred tax liabilities				37,800
Whinstone US, Inc. [Member] | Customer relationships [Member]
Business Acquisition [Line Items]
Intangible assets				$ 90,300
Whinstone [Member]
Business Acquisition [Line Items]
Revenues					24,500
Acquisition related costs					19,100
Net income (loss)					1,200
Pro forma [Member]
Business Acquisition [Line Items]
Acquisition related costs					$ 21,200