BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total revenue	$ 5,675,564	$ 5,344,829	$ 16,681,978	$ 16,097,308
RF/Microwave Filters [Member]
Total revenue			3,886,940	989,114
Detector Logarithmic Video Amplifiers [Member]
Total revenue			1,318,547	473,150
Power Supply Units [Member]
Total revenue			3,803,241	7,501,183
Power Supply Systems [Member]
Total revenue			862,889	1,423,971
Healthcare Diagnostic Systems [Member]
Total revenue			784,689	1,260,700
Defense Systems [Member]
Total revenue			6,052,812	3,413,171
Lending Activities [Member]
Total revenue			(27,140)	443,927
Goods Transferred At A Point In Time [Member]
Total revenue			9,844,477	11,286,536
Services Transferred Over Time [Member]
Total revenue			6,837,501	4,810,772
Digital Currency Mining [Member]
Total revenue				592,092
North America [Member]
Total revenue			8,183,084	7,738,570
Europe [Member]
Total revenue			982,760	6,358,200
Middle East [Member]
Total revenue			6,837,501	1,283,312
Other [Member]
Total revenue			678,633	717,226
GWW [Member]
Total revenue			12,905,877	10,754,949
GWW [Member] | RF/Microwave Filters [Member]
Total revenue			3,886,940	989,114
GWW [Member] | Detector Logarithmic Video Amplifiers [Member]
Total revenue			1,318,547	473,150
GWW [Member] | Power Supply Units [Member]
Total revenue				3,194,843
GWW [Member] | Power Supply Systems [Member]
Total revenue			862,889	1,423,971
GWW [Member] | Healthcare Diagnostic Systems [Member]
Total revenue			784,689	1,260,700
GWW [Member] | Defense Systems [Member]
Total revenue			6,052,812	3,413,171
GWW [Member] | Lending Activities [Member]
Total revenue
GWW [Member] | Goods Transferred At A Point In Time [Member]
Total revenue			6,068,376	5,944,177
GWW [Member] | Services Transferred Over Time [Member]
Total revenue			6,837,501	4,810,772
GWW [Member] | Digital Currency Mining [Member]
Total revenue
GWW [Member] | North America [Member]
Total revenue			5,109,672	2,703,803
GWW [Member] | Europe [Member]
Total revenue			694,478	6,341,396
GWW [Member] | Middle East [Member]
Total revenue			6,837,501	1,283,312
GWW [Member] | Other [Member]
Total revenue			264,226	447,786
Coolisys [Member]
Total revenue			3,803,241	4,898,432
Coolisys [Member] | RF/Microwave Filters [Member]
Total revenue
Coolisys [Member] | Detector Logarithmic Video Amplifiers [Member]
Total revenue
Coolisys [Member] | Power Supply Units [Member]
Total revenue			3,803,241	4,306,340
Coolisys [Member] | Power Supply Systems [Member]
Total revenue
Coolisys [Member] | Healthcare Diagnostic Systems [Member]
Total revenue
Coolisys [Member] | Defense Systems [Member]
Total revenue
Coolisys [Member] | Lending Activities [Member]
Total revenue
Coolisys [Member] | Goods Transferred At A Point In Time [Member]
Total revenue			3,803,241	4,898,432
Coolisys [Member] | Services Transferred Over Time [Member]
Total revenue
Coolisys [Member] | Digital Currency Mining [Member]
Total revenue				592,092
Coolisys [Member] | North America [Member]
Total revenue			3,100,552	4,590,840
Coolisys [Member] | Europe [Member]
Total revenue			288,282	16,804
Coolisys [Member] | Middle East [Member]
Total revenue				21,348
Coolisys [Member] | Other [Member]
Total revenue			414,407	269,440
Ault Alliance [Member]
Total revenue			(27,140)	443,927
Ault Alliance [Member] | RF/Microwave Filters [Member]
Total revenue
Ault Alliance [Member] | Power Supply Systems [Member]
Total revenue
Ault Alliance [Member] | Healthcare Diagnostic Systems [Member]
Total revenue
Ault Alliance [Member] | Defense Systems [Member]
Total revenue
Ault Alliance [Member] | Lending Activities [Member]
Total revenue			(27,140)	443,927
Ault Alliance [Member] | Goods Transferred At A Point In Time [Member]
Total revenue			(27,140)	443,927
Ault Alliance [Member] | Services Transferred Over Time [Member]
Total revenue
Ault Alliance [Member] | Digital Currency Mining [Member]
Total revenue
Ault Alliance [Member] | North America [Member]
Total revenue			(27,140)	443,927
Ault Alliance [Member] | Europe [Member]
Total revenue
Ault Alliance [Member] | Middle East [Member]
Total revenue
Ault Alliance [Member] | Other [Member]
Total revenue
Ault Alliance [Member] | Detector Logarithmic Video Amplifiers [Member]
Total revenue
Ault Alliance [Member] | Power Supply Units [Member]
Total revenue