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Debt - Schedule of Debt (With Related Parties) (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021	Oct. 31, 2019	Sep. 16, 2019
Debt Instrument [Line Items]
Less current portion	$ (36,405,000)	$ (33,164,000)
Long-term debt, less current portion - related party	342,000	4,023,000
Senior Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member]
Debt Instrument [Line Items]
Less current portion	(3,800,000)	(3,800,000)
Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member]
Debt Instrument [Line Items]
Less current portion	(4,000,000.0)	(4,000,000.0)
Antara Financing Agreement [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, gross			$ 2,100,000	$ 22,400,000
Less current portion	(19,400,000)	(18,700,000)
Long Term Debt With Related Parties [Member]
Debt Instrument [Line Items]
Long-term debt, gross	45,196,000	44,263,000
Debt issuance costs	(17,000)	(18,000)
Debt discount	(8,432,000)	(7,058,000)
Long-term debt, net	36,747,000	37,187,000
Less current portion	(36,405,000)	(33,164,000)
Long-term debt, less current portion - related party	342,000	4,023,000
Long Term Debt With Related Parties [Member] \| Four Promissory Notes Issued February 1, 2017 to Former EAF [Member]
Debt Instrument [Line Items]
Long-term debt, gross		9,500,000
Long Term Debt With Related Parties [Member] \| Bridge Loan and Executive Loans [Member]
Debt Instrument [Line Items]
Long-term debt, gross	9,825,000
Long Term Debt With Related Parties [Member] \| Senior Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member]
Debt Instrument [Line Items]
Long-term debt, gross	3,800,000	3,800,000
Long Term Debt With Related Parties [Member] \| Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member]
Debt Instrument [Line Items]
Long-term debt, gross	4,000,000	4,000,000
Long Term Debt With Related Parties [Member] \| Promissory Note Stockholder Issued June One Two Thousand And Eighteen [Member]
Debt Instrument [Line Items]
Long-term debt, gross	1,446,000	1,506,000
Long Term Debt With Related Parties [Member] \| Promissory Note Stockholder Issued February Two Two Thousand And Nineteen [Member]
Debt Instrument [Line Items]
Long-term debt, gross	6,354,000	6,361,000
Long Term Debt With Related Parties [Member] \| Notes Payable Acquired From Ritter [Member]
Debt Instrument [Line Items]
Long-term debt, gross	388,000	399,000
Long Term Debt With Related Parties [Member] \| Antara Financing Agreement [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 19,383,000	$ 18,697,000