v3.25.1
Summary of Significant Accounting Policies (Details Narrative)
$ / shares in Units, $ in Thousands, € in Millions
 12 Months Ended
Dec. 31, 2024
USD ($)
Integer
$ / shares
shares
Dec. 31, 2023
USD ($)
Integer
shares
May 25, 2022
EUR (€)
Property, Plant and Equipment [Line Items]      
Ownership percentage 100.00%    
Contract with Customer, Asset, after Allowance for Credit Loss $ 623 $ 9  
Contract liabilities 3,187 414  
Revenues recognized 100 100  
Income from grants 900 1,600  
Receivables from grant income 0 200  
Deferred Income 600 800  
Deferred income from grants, current 396 523  
Deferred income from grants, non current 248 320  
Prepaid expenses and other current assets 719 838  
Marketing and Advertising Expense 3 100  
Income tax benefits (provisions) $ 55 $ 82  
Income tax rate 35.00% 21.00%  
Interest income $ 26 $ 26  
Warrants outstanding | shares 65,671    
Accounts Receivable [Member]      
Property, Plant and Equipment [Line Items]      
Number of major customers | Integer 1 2  
Revenue Benchmark [Member]      
Property, Plant and Equipment [Line Items]      
Number of major customers | Integer 3 3  
Investor [Member]      
Property, Plant and Equipment [Line Items]      
Non-interest bearing loan $ 400    
Working Capital Warrants [Member]      
Property, Plant and Equipment [Line Items]      
Warrants issued (in shares) | shares 13,333    
Private Placement Warrant [Member]      
Property, Plant and Equipment [Line Items]      
Warrants issued (in shares) | shares 734,309    
Number of shares called by each warrant (in shares) | shares 1    
Exercise price (in dollars per share) | $ / shares $ 345.00    
Warrants outstanding | shares 65,671 65,671  
Common Stock [Member] | Working Capital Warrants [Member]      
Property, Plant and Equipment [Line Items]      
Number of shares called by each warrant (in shares) | shares 1    
Exercise price (in dollars per share) | $ / shares $ 345.00    
Common Stock [Member] | Private Placement Warrant [Member]      
Property, Plant and Equipment [Line Items]      
Exercise price (in dollars per share) | $ / shares $ 345.00    
Derivative Financial Instruments, Liabilities [Member]      
Property, Plant and Equipment [Line Items]      
Warrants issued (in shares) | shares 131,343    
Derivative Financial Instruments, Liabilities [Member] | Common Stock [Member]      
Property, Plant and Equipment [Line Items]      
Number of shares called by each warrant (in shares) | shares 1    
Exercise price (in dollars per share) | $ / shares $ 345.00    
Convertible Bond Loan [Member]      
Property, Plant and Equipment [Line Items]      
Debt carrying amount | €     € 1.0
Debt offered amount | €     € 0.3
Annual interest rate     8.00%
Overdue interest rate     2.50%
Plan 401K [Member]      
Property, Plant and Equipment [Line Items]      
Percentage of matching contributions 100.00%    
Percentage of matching contributions, participant 5.00%    
Defined contribution plan $ 200 $ 200  
HEL4CHIROLED Project [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants   100  
Income Tax Reconciliation, Warranty Liability Income Taxes 100 100  
ISEHM Project [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants   200  
Industry 4.0 Solutions Project [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants   100  
NICKEFFECT Project [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants   100  
Deferred income from grants, current 100 100  
Deferred income from grants, non current 100 0  
GreenSkills4H2 Project [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants 10 100  
Deferred income from grants, current 0 10  
Deferred income from grants, non current 10 0  
Li.F.E. Project [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants 200 500  
Deferred income from grants, current   100  
Prepaid expenses and other current assets 100    
NIMPHEA Project [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants 100 300  
Receivables from grant income 200 100  
ECOMATES Network [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants 20 100  
Deferred income from grants, current 100 100  
Deferred income from grants, non current 100 20  
LYDIA Project [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants 100 100  
Receivables from grant income 10 100  
MEAsureD Project [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants 250 100  
Deferred income from grants, current 200 300  
Deferred income from grants, non current 100 300  
Equuleus (EKF Indonesia) [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants 100 $ 0  
Crusade [Member]      
Property, Plant and Equipment [Line Items]      
Income from grants 300    
Deferred income from grants, current 40    
Deferred income from grants, non current $ 20    
Maximum [Member] | Plan 401K [Member]      
Property, Plant and Equipment [Line Items]      
Percentage of matching contributions, participant 5.00%    
Land, Buildings and Improvements [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated useful lives 5 years    
Land, Buildings and Improvements [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated useful lives 50 years    
Machinery and Other Equipment [Member] | Minimum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated useful lives 3 years    
Machinery and Other Equipment [Member] | Maximum [Member]      
Property, Plant and Equipment [Line Items]      
Estimated useful lives 20 years