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Debt (Details) - USD ($)
Dec. 31, 2021
Sep. 28, 2021
Dec. 31, 2020
Debt Instrument [Line Items]      
Total debt, net $ 0   $ 3,635,000
Current portion of long-term debt 0   570,000
Long-term debt 0   3,065,000
2016 WTI Loan      
Debt Instrument [Line Items]      
Total debt, net 0   570,000
PPP Loan      
Debt Instrument [Line Items]      
Total debt, net $ 0 $ 0 $ 3,065,000