REVENUE RECOGNITION (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2021

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenues

For the Electronics & Software segment, we analyze revenue by region and product group, which is as follows for the three and six months ended June 30, 2021 and 2020:

	Electronics & Software Sales by Region
	Three Months Ended June 30				Six Months Ended June 30
		2021		2020		2021		2020
North America	$	7,721,000	$	6,898,000	$	14,921,000	$	14,346,000
International		1,586,000		1,389,000		2,750,000		2,477,000
	$	9,307,000	$	8,287,000	$	17,671,000	$	16,823,000

	Electronics & Software Sales by Product Group
	Three Months Ended June 30				Six Months Ended June 30
		2021		2020		2021		2020
Intelligent edge solutions	$	3,779,000	$	3,023,000	$	7,492,000	$	6,377,000
Traditional products		5,528,000		5,264,000		10,179,000		10,446,000
	$	9,307,000	$	8,287,000	$	17,671,000	$	16,823,000

For the Services & Support segment, we analyze revenue by customer group and type, which is as follows for the three and six months ended June 30, 2021 and 2020:

	Services & Support Revenue by Customer Group
	Three Months Ended June 30				Six Months Ended June 30
		2021		2020		2021		2020
Financial	$	399,000	$	103,000	$	824,000	$	196,000
Healthcare		245,000		240,000		498,000		430,000
Education		85,000		626,000		149,000		719,000
Other commercial clients		960,000		371,000		2,013,000		621,000
CSI IT operations		144,000		185,000		288,000		386,000
	$	1,833,000	$	1,525,000	$	3,772,000	$	2,352,000

	Services & Support Revenue by Type
	Three Months Ended June 30				Six Months Ended June 30
		2021		2020		2021		2020
Project & product revenue	$	245,000	$	746,000	$	630,000	$	886,000
Services & support revenue		1,588,000		779,000		3,142,000		1,466,000
	$	1,833,000	$	1,525,000	$	3,772,000	$	2,352,000

For the Electronics & Software segment, we analyze revenue by region and product group, which is as follows for the years ended December 31, 2020 and 2019:

	Electronics & Software Revenue by Region
	2020		2019
North America	$	29,721,000	$	39,771,000
International		4,775,000		7,236,000
	$	34,496,000	$	47,007,000

	Electronics & Software Revenue by Product Group
	2020		2019
Intelligent edge solutions	$	12,162,000	$	18,442,000
Traditional products		22,334,000		28,565,000
	$	34,496,000	$	47,007,000

For the Services & Support segment, we analyze revenue by customer group and type, which is as follows for the years ended December 31, 2020 and 2019:

	Services & Support Revenue by Customer Group
	2020		2019
Education	$	4,483,000	$	1,926,000
Healthcare		887,000		705,000
Financial and other commercial clients		2,708,000		1,268,000
CSI IT operations		699,000		842,000
	$	8,777,000	$	4,741,000

	Services & Support Revenue by Type
	2020		2019
Project & product revenue	$	5,120,000	$	2,242,000
Services & support revenue		3,657,000		2,499,000
	$	8,777,000	$	4,741,000