Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details)
1 Months Ended 12 Months Ended
Nov. 06, 2017
contractor
Dec. 31, 2021
USD ($)
Apr. 30, 2020
Aug. 31, 2018
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Loss Contingencies [Line Items]            
Number of defendants | contractor 9          
Chelsea Group Limited            
Loss Contingencies [Line Items]            
Contingent consideration, liability, revenue earn-outs, payment period       5 years    
Long-term operating lease liabilities, net of current portion   $ 678,000   $ 555,000 $ 678,000 $ 678,000
Initial cash payment       $ 0    
Undisclosed Name of Acquiree            
Loss Contingencies [Line Items]            
Contingent consideration, liability, revenue earn-outs, payment period     5 years      
Long-term operating lease liabilities, net of current portion   $ 0     0  
Initial cash payment         0  
Plug Smart            
Loss Contingencies [Line Items]            
Contingent consideration, liability, revenue earn-outs, payment period   5 years        
Long-term operating lease liabilities, net of current portion   $ 2,160,000     2,160,000  
Maximum cumulative earn-out   5,000,000     5,000,000  
Contingent consideration   $ 2,160,000     $ 2,160,000