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REVENUE DISAGGREGATION (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer $ 35,546,000 $ 23,629,000
Revenue lending and trading activities 16,854,000 242,000
Total revenue 52,400,000 23,871,000
R F Microwave Filters [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 4,905,000 4,330,000
Detectorlogarithmicvideoamplifiers [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 1,888,000 473,000
Power Supply Units [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 12,941,000 8,072,000
Power Supply Systems [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 241,000 1,482,000
Healthcare Diagnostic Systems [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 794,000 1,012,000
E V Chargers [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 18,000  
Defense Systems [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 10,140,000 8,260,000
Digital Currency Mining [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 3,450,000  
Other [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 1,169,000  
Goods Transferred At A Point In Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 23,790,000 14,357,000
Revenue from contract with customer 35,546,000 23,629,000
Services Transferred Over Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 11,756,000 9,272,000
North America [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 15,943,000 11,218,000
Europe [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 7,949,000 2,329,000
Middle East [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 10,803,000 9,273,000
Other [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 851,000 809,000
G W W [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 25,581,000 18,213,000
Total revenue 25,581,000 18,213,000
G W W [Member] | R F Microwave Filters [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 4,905,000 4,330,000
G W W [Member] | Detectorlogarithmicvideoamplifiers [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 1,888,000 473,000
G W W [Member] | Power Supply Units [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 7,613,000 2,656,000
G W W [Member] | Power Supply Systems [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 241,000 1,482,000
G W W [Member] | Healthcare Diagnostic Systems [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 794,000 1,012,000
G W W [Member] | Defense Systems [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 10,140,000 8,260,000
G W W [Member] | Goods Transferred At A Point In Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 13,825,000 8,941,000
Revenue from contract with customer 25,581,000 18,213,000
G W W [Member] | Services Transferred Over Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 11,756,000 9,272,000
G W W [Member] | North America [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 6,788,000 6,718,000
G W W [Member] | Europe [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 7,492,000 1,879,000
G W W [Member] | Middle East [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 10,803,000 9,273,000
G W W [Member] | Other [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 498,000 343,000
Turn On Green [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 5,346,000 5,416,000
Total revenue 5,346,000 5,416,000
Turn On Green [Member] | Power Supply Units [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 5,328,000 5,416,000
Turn On Green [Member] | E V Chargers [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 18,000  
Turn On Green [Member] | Goods Transferred At A Point In Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 5,346,000 5,416,000
Revenue from contract with customer 5,346,000 5,416,000
Turn On Green [Member] | North America [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 4,536,000 4,500,000
Turn On Green [Member] | Europe [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 457,000 450,000
Turn On Green [Member] | Middle East [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer  
Turn On Green [Member] | Other [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 353,000 466,000
Ault Alliance [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 192,000  
Revenue lending and trading activities 16,854,000 242,000
Total revenue 17,046,000 $ 242,000
Ault Alliance [Member] | Other [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 192,000  
Ault Alliance [Member] | Goods Transferred At A Point In Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 192,000  
Revenue from contract with customer 192,000  
Ault Alliance [Member] | North America [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 192,000  
Cryptocurrency [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 4,238,000  
Total revenue 4,238,000  
Cryptocurrency [Member] | Digital Currency Mining [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 3,450,000  
Cryptocurrency [Member] | Other [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 788,000  
Cryptocurrency [Member] | Goods Transferred At A Point In Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 4,238,000  
Revenue from contract with customer 4,238,000  
Cryptocurrency [Member] | North America [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 4,238,000  
Real Estate One [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 189,000  
Total revenue 189,000  
Real Estate One [Member] | Other [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 189,000  
Real Estate One [Member] | Goods Transferred At A Point In Time [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer 189,000  
Revenue from contract with customer 189,000  
Real Estate One [Member] | North America [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from contract with customer $ 189,000