Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Schedule of Asset Reported in Consolidated Balance Sheet Measured at Fair Value on Recurring Basis (Details)

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Fair Value Measurements - Schedule of Asset Reported in Consolidated Balance Sheet Measured at Fair Value on Recurring Basis (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gain (loss) $ 18,749 $ (37,497)  
Fair Value, Measurements, Recurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gain (loss) 18,749 (37,498)  
Fair Value, Measurements, Recurring | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total recurring fair value measurements 0 0  
Fair Value, Measurements, Recurring | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total recurring fair value measurements 93,744 74,995  
Fair Value, Measurements, Recurring | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total recurring fair value measurements 0 0  
Estimate of Fair Value Measurement | Fair Value, Measurements, Recurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total recurring fair value measurements 93,744 74,995 $ 118,084
Eurosite Power Inc. | Fair Value, Measurements, Recurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unrealized gain (loss) 18,749 (37,498)  
Eurosite Power Inc. | Fair Value, Measurements, Recurring | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Available-for-sale equity securities 0 0  
Eurosite Power Inc. | Fair Value, Measurements, Recurring | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Available-for-sale equity securities 93,744 74,995  
Eurosite Power Inc. | Fair Value, Measurements, Recurring | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Available-for-sale equity securities 0 0  
Eurosite Power Inc. | Estimate of Fair Value Measurement | Fair Value, Measurements, Recurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Available-for-sale equity securities $ 93,744 $ 74,995