Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Narrative) (Details)

v3.23.1
Summary of Significant Accounting Policies (Narrative) (Details)
 12 Months Ended
Mar. 28, 2022
USD ($)
item
$ / shares
Sep. 15, 2021
USD ($)
Dec. 31, 2022
USD ($)
segment
$ / shares
shares
Dec. 31, 2021
USD ($)
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  
Restricted cash and cash equivalents       $ 0
Restricted cash threshold for use in company operations     $ 1,500,000  
Depreciation     $ 99,161 0
Maximum matching percentage by employer     6.00%  
Accrued warranty provision     $ 276,791 0
Advertising expense     $ 251,335 $ 0
Number of operating segments | segment     2  
Number of reportable segments | segment     1  
Dilutive effect     $ 0  
Shares not included in the computation of diluted earnings per share | shares       0
Minimum [Member]        
Summary of Significant Accounting Policies [Line Items]        
Commercial contract completion period     3 months  
Large project construction completion period     18 months  
Maximum [Member]        
Summary of Significant Accounting Policies [Line Items]        
Commercial contract completion period     12 months  
Large project construction completion period     24 months  
Solar Panels [Member]        
Summary of Significant Accounting Policies [Line Items]        
Warranty period     25 years  
Inverters [Member]        
Summary of Significant Accounting Policies [Line Items]        
Warranty period     10 years  
Installation And Other Supplies [Member]        
Summary of Significant Accounting Policies [Line Items]        
Warranty period     10 years  
Workmanship [Member]        
Summary of Significant Accounting Policies [Line Items]        
Warranty period     25 years  
Employee Savings Plan [Member]        
Summary of Significant Accounting Policies [Line Items]        
Employer contributions     $ 60,489 $ 0
SUNation 401(k) Plan [Member]        
Summary of Significant Accounting Policies [Line Items]        
Employer contributions     $ 27,656  
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     5,176,471  
CSI [Member]        
Summary of Significant Accounting Policies [Line Items]        
Restricted cash and cash equivalents     $ 1,800,000  
SUNation [Member]        
Summary of Significant Accounting Policies [Line Items]        
Restricted cash and cash equivalents     $ 1,300,000  
Employee Stock Option [Member]        
Summary of Significant Accounting Policies [Line Items]        
Number of options outstanding | shares     0  
Deferred Stock Award [Member]        
Summary of Significant Accounting Policies [Line Items]        
Number of options outstanding | shares     0 0
PIPE Investment [Member]        
Summary of Significant Accounting Policies [Line Items]        
Private placement investment $ 32,000,000.0      
Per share conversion price of preferred stock | $ / shares $ 13.60      
Additional common shares available to purchase during warrant period $ 32,000,000.0      
Warrant term   5 years 5 years  
PIPE Investment [Member] | Series A Preferred Stock [Member]        
Summary of Significant Accounting Policies [Line Items]        
Private placement investment   $ 32,000,000.0