Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Narrative) (Details)

v3.22.2.2
Summary of Significant Accounting Policies (Narrative) (Details)
 3 Months Ended 9 Months Ended
Mar. 28, 2022
USD ($)
item
$ / shares
Sep. 15, 2021
USD ($)
Sep. 30, 2022
USD ($)
shares
Sep. 30, 2021
shares
Sep. 30, 2022
USD ($)
$ / shares
shares
Sep. 30, 2021
shares
Summary of Significant Accounting Policies [Line Items]            
Number of board of director members | item 7          
Value of the investment in short-term money market funds sought to be preserved (in dollars per share) | $ / shares         $ 1.00  
Dilutive impact from outstanding preferred shares, options, warrants or unvested shares | $     $ 0   $ 0  
Shares not included in the computation of diluted earnings per share | shares       0   0
Selected by CSI [Member]            
Summary of Significant Accounting Policies [Line Items]            
Number of board of director members | item 2          
Selected by Pineapple Energy [Member]            
Summary of Significant Accounting Policies [Line Items]            
Number of board of director members | item 5          
Term Loan from Hercules Capital, Inc. [Member]            
Summary of Significant Accounting Policies [Line Items]            
Repayments of debt | $ $ 4,500,000          
Repayment of debt including interest | $ 5,600,000          
Debt instrument, face amount | $ 7,500,000          
Warrants [Member]            
Summary of Significant Accounting Policies [Line Items]            
Shares not included in the computation of diluted earnings per share | shares     2,353,936   2,353,936  
Employee Stock Option [Member]            
Summary of Significant Accounting Policies [Line Items]            
Shares not included in the computation of diluted earnings per share | shares         0 0
Number of options outstanding | shares     0 0 0 0
Deferred Stock Award [Member]            
Summary of Significant Accounting Policies [Line Items]            
Shares not included in the computation of diluted earnings per share | shares         0 0
Number of options outstanding | shares     0 0 0 0
PIPE Investment [Member]            
Summary of Significant Accounting Policies [Line Items]            
Private placement investment | $ 32,000,000.0 $ 32,000,000.0        
Additional common shares available to purchase during warrant period | $ $ 32,000,000.0          
PIPE Investment [Member] | Series A Preferred Stock [Member]            
Summary of Significant Accounting Policies [Line Items]            
Per share conversion price of preferred stock | $ / shares $ 13.60