Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Company Response to COVID-19 (Details)

v3.22.2
Summary of Significant Accounting Policies - Company Response to COVID-19 (Details)
1 Months Ended 12 Months Ended
May 23, 2020
employee
company
MW
May 13, 2020
USD ($)
Apr. 24, 2020
USD ($)
Jun. 30, 2021
USD ($)
Mar. 31, 2022
USD ($)
Debt Instrument [Line Items]          
Business Continuity Plan, Number of Employees Furloughed | employee 52        
Business Continuity Plan, Threshold Furloughed Period 45 days        
Percentage of Salary Cut Volunteered by Leadership Team 25.00%        
Number of Other Top Company Mangers Volunteered for Salary Cut | company 25        
Percentage of Salary Cut Volunteered by Several Employees 15.00%        
Percentage of Salary Cut Volunteered by Other Top Managers 15.00%        
Percentage of Temporary Reduction in Base Cash Retainer 25.00%        
Number of Employees Eliminated | employee 26        
Capacity of Pre Built Microturbine Finished Goods | MW 5.9        
Percentage of salary after business continuity plan 100.00%        
Debt instrument, issuance date     Apr. 24, 2020    
Loans Payable | Paycheck Protection Program, CARES Act          
Debt Instrument [Line Items]          
Loan amount     $ 2,610,200    
Debt instrument, issuance date     Apr. 24, 2020    
Loans repaid   $ 660,200      
Previously repaid debt       $ 660,200 $ 660,200