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REVENUE DISAGGREGATION (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Revenue from contracts with customers $ 8,034,407 $ 5,569,282
Revenue, lending and trading activities 5,210,222 36,152
Total revenue 13,244,629 5,605,434
RF/Microwave Filters [Member]    
Revenue from contracts with customers 1,214,901 1,501,380
Detector Logarithmic Video Amplifiers [Member]    
Revenue from contracts with customers 71,070 288,846
Power Supply Units [Member]    
Revenue from contracts with customers 1,620,772 1,181,835
Power Supply Systems [Member]    
Revenue from contracts with customers 2,233,287 290,933
Services Transferred Over Time [Member]    
Revenue from contracts with customers 2,592,338 2,306,288
Healthcare Diagnostic Systems [Member]    
Revenue from contracts with customers 184,725 214,303
Defense Systems [Member]    
Revenue from contracts with customers 2,407,613 2,091,985
Digital Currency Mining [Member]    
Revenue from contracts with customers 129,896  
Goods Transferred At A Point In Time [Member]    
Revenue from contracts with customers 5,442,069 3,262,994
Other [Member]    
Revenue from contracts with customers 172,143  
GWW [Member]    
Revenue from contracts with customers 6,350,019 4,387,447
Total revenue 6,350,019 4,387,447
GWW [Member] | RF/Microwave Filters [Member]    
Revenue from contracts with customers 1,214,901 1,501,380
GWW [Member] | Detector Logarithmic Video Amplifiers [Member]    
Revenue from contracts with customers 71,070 288,846
GWW [Member] | Power Supply Units [Member]    
Revenue from contracts with customers 238,423
GWW [Member] | Power Supply Systems [Member]    
Revenue from contracts with customers 2,233,287 290,933
GWW [Member] | Services Transferred Over Time [Member]    
Revenue from contracts with customers 2,592,338 2,306,288
GWW [Member] | Healthcare Diagnostic Systems [Member]    
Revenue from contracts with customers 184,725 214,303
GWW [Member] | Defense Systems [Member]    
Revenue from contracts with customers 2,407,613 2,091,985
GWW [Member] | Goods Transferred At A Point In Time [Member]    
Revenue from contracts with customers 3,757,681 2,081,159
GWW [Member] | Other [Member]    
Revenue from contracts with customers  
Coolisys [Member]    
Revenue from contracts with customers 1,382,349 1,181,835
Total revenue 1,382,349 1,181,835
Coolisys [Member] | RF/Microwave Filters [Member]    
Revenue from contracts with customers  
Coolisys [Member] | Detector Logarithmic Video Amplifiers [Member]    
Revenue from contracts with customers
Coolisys [Member] | Power Supply Units [Member]    
Revenue from contracts with customers 1,382,349 1,181,835
Coolisys [Member] | Power Supply Systems [Member]    
Revenue from contracts with customers
Coolisys [Member] | Services Transferred Over Time [Member]    
Revenue from contracts with customers
Coolisys [Member] | Healthcare Diagnostic Systems [Member]    
Revenue from contracts with customers
Coolisys [Member] | Defense Systems [Member]    
Revenue from contracts with customers
Coolisys [Member] | Goods Transferred At A Point In Time [Member]    
Revenue from contracts with customers 1,382,349 1,181,835
Coolisys [Member] | Other [Member]    
Revenue from contracts with customers  
Ault Alliance [Member]    
Revenue from contracts with customers 302,039
Revenue, lending and trading activities 5,210,222 36,152
Total revenue 5,512,261 36,152
Ault Alliance [Member] | RF/Microwave Filters [Member]    
Revenue from contracts with customers  
Ault Alliance [Member] | Power Supply Systems [Member]    
Revenue from contracts with customers
Ault Alliance [Member] | Services Transferred Over Time [Member]    
Revenue from contracts with customers
Ault Alliance [Member] | Healthcare Diagnostic Systems [Member]    
Revenue from contracts with customers
Ault Alliance [Member] | Defense Systems [Member]    
Revenue from contracts with customers
Ault Alliance [Member] | Digital Currency Mining [Member]    
Revenue from contracts with customers 129,896  
Ault Alliance [Member] | Goods Transferred At A Point In Time [Member]    
Revenue from contracts with customers 302,039
Ault Alliance [Member] | Other [Member]    
Revenue from contracts with customers 172,143  
North America [Member]    
Revenue from contracts with customers 3,398,701 2,539,654
North America [Member] | GWW [Member]    
Revenue from contracts with customers 1,889,262 1,672,726
North America [Member] | Coolisys [Member]    
Revenue from contracts with customers 1,207,400 866,928
North America [Member] | Ault Alliance [Member]    
Revenue from contracts with customers 302,039
Europe [Member]    
Revenue from contracts with customers 2,019,143 537,897
Europe [Member] | GWW [Member]    
Revenue from contracts with customers 1,910,002 310,569
Europe [Member] | Coolisys [Member]    
Revenue from contracts with customers 109,141 227,328
Europe [Member] | Ault Alliance [Member]    
Revenue from contracts with customers
Middle East [Member]    
Revenue from contracts with customers 2,389,063 2,306,288
Middle East [Member] | GWW [Member]    
Revenue from contracts with customers 2,389,063 2,306,288
Middle East [Member] | Coolisys [Member]    
Revenue from contracts with customers
Middle East [Member] | Ault Alliance [Member]    
Revenue from contracts with customers
Other [Member]    
Revenue from contracts with customers 227,500 185,443
Other [Member] | GWW [Member]    
Revenue from contracts with customers 161,692 97,864
Other [Member] | Coolisys [Member]    
Revenue from contracts with customers 65,808 87,579
Other [Member] | Ault Alliance [Member]    
Revenue from contracts with customers  
Detector Logarithmic Video Amplifiers [Member] | Ault Alliance [Member]    
Revenue from contracts with customers
Power Supply Units [Member] | Ault Alliance [Member]    
Revenue from contracts with customers