Debt - Schedule of Debt (With Unrelated Parties) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Less current portion	$ (21,640)	$ (12,727)
Long-term debt, less current portion	7,322	24,737
Main Street Loan [Member]
Debt Instrument [Line Items]
Debt issuance costs	(1,000)	(1,100)
Long Term Debt with Unrelated Parties [Member]
Debt Instrument [Line Items]
Long-term debt, gross	30,233	38,951
Debt issuance costs	(980)	(1,147)
Debt discount	(291)	(340)
Long-term debt, net	28,962	37,464
Less current portion	(21,640)	(12,727)
Long-term debt, less current portion	7,322	24,737
Long Term Debt with Unrelated Parties [Member] | Main Street Loan [Member]
Debt Instrument [Line Items]
Long-term debt, gross	17,428	17,033
Long Term Debt with Unrelated Parties [Member] | PPP Loan [Member]
Debt Instrument [Line Items]
Long-term debt, gross		10,000
Long Term Debt with Unrelated Parties [Member] | Note Payable [Member]
Debt Instrument [Line Items]
Long-term debt, gross	580	683
Long Term Debt with Unrelated Parties [Member] | Secured Convertible Promissory Notes [Member]
Debt Instrument [Line Items]
Long-term debt, gross	526	1,099
Long Term Debt with Unrelated Parties [Member] | Notes Payable Acquired From JB Lease [Member]
Debt Instrument [Line Items]
Long-term debt, gross	704	1,726
Long Term Debt with Unrelated Parties [Member] | Note Payable To Financing Company Issued February Eleven Two Thousand And Nineteen [Member]
Debt Instrument [Line Items]
Long-term debt, gross	331	504
Long Term Debt with Unrelated Parties [Member] | Note Payable To Financing Company Issued January Twenty Three Two Thousand And Nineteen [Member]
Debt Instrument [Line Items]
Long-term debt, gross	1,898	2,403
Long Term Debt with Unrelated Parties [Member] | Failed Sale-leaseback Obligations [Member]
Debt Instrument [Line Items]
Long-term debt, gross	5,104	484
Long Term Debt with Unrelated Parties [Member] | Note Payable To Financing Company [Member]
Debt Instrument [Line Items]
Long-term debt, gross	874	1,082
Long Term Debt with Unrelated Parties [Member] | Frinkle Equipment Notes [Member]
Debt Instrument [Line Items]
Long-term debt, gross	1,842	2,907
Long Term Debt with Unrelated Parties [Member] | Convertible Note [Member] | Note Payable Issued During November Two Thousand And Eighteen [Member]
Debt Instrument [Line Items]
Long-term debt, gross	93	149
Long Term Debt with Unrelated Parties [Member] | Convertible Note [Member] | Three Notes Payable To Banks Acquired From Thunder Ridge [Member]
Debt Instrument [Line Items]
Long-term debt, gross	$ 853	$ 881