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Debt - Schedule of Debt (With Related Parties) (Details) - USD ($)	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020	Oct. 31, 2019	Sep. 16, 2019
Debt Instrument [Line Items]
Long-term debt, gross	$ 75,045,000
Long-term debt, net	66,777,000
Less current portion	(33,164,000)		$ (50,252,000)
Long-term debt, less current portion - related party	4,023,000		3,379,000
Senior Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member]
Debt Instrument [Line Items]
Less current portion			(3,800,000)
Promissory Note Stockholder Issued June One Two Thousand And Eighteen [Member]
Debt Instrument [Line Items]
Less current portion			(1,700,000)
Antara Financing Agreement [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, gross				$ 2,100,000	$ 22,400,000
Long-term debt, net	33,600,000	$ 16,700,000
Less current portion	(18,700,000)		(33,600,000)
Long Term Debt With Related Parties [Member]
Debt Instrument [Line Items]
Long-term debt, gross	44,263,000		62,478,000
Debt issuance costs	(18,000)		(36,000)
Debt discount	(7,058,000)		(8,811,000)
Long-term debt, net	37,187,000		53,631,000
Less current portion	(33,164,000)		(50,252,000)
Long-term debt, less current portion - related party	4,023,000		3,379,000
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		9,500,000
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] \| Secured Convertible Promissory Notes [Member]
Debt Instrument [Line Items]
Long-term debt, gross			3,280,000
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	1,506,000		1,732,000
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	6,361,000		6,111,000
Long Term Debt With Related Parties [Member] \| Notes Payable Acquired From Ritter [Member]
Debt Instrument [Line Items]
Long-term debt, gross	399,000		439,000
Long Term Debt With Related Parties [Member] \| Antara Financing Agreement [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 18,697,000		$ 33,616,000