v3.22.1

Schedule of Debt Including Debt to Related Parties (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Short-Term Debt [Line Items]
Long-term Debt	$ 32,052
Long-term Debt, Excluding Current Maturities	7,592	$ 7,691
Secured Debt [Member]
Short-Term Debt [Line Items]
Long-term Debt	31,872	33,600
Long-term Debt, Current Maturities	(24,280)	(25,909)
Long-term Debt, Excluding Current Maturities	7,592	7,691
October 2012 Secured Promissory Notes and April 2013 Secured Promissory Notes [Member] \| Secured Debt [Member]
Short-Term Debt [Line Items]
Long-term Debt	3,425	3,425
June 2014 Secured Promissory Notes [Member]
Short-Term Debt [Line Items]
Long-term Debt	7,686	7,774	$ 8,024	$ 8,106
Secured Revolving Borrowing Interest Rate at 12.80% Through August 2021 [Member] \| Secured Debt [Member]
Short-Term Debt [Line Items]
Long-term Debt	13,195	14,829
August 2015 Senior Secured Promissory Notes [Member] \| Secured Debt [Member]
Short-Term Debt [Line Items]
Long-term Debt	7,300	7,300
Research Loan Facility Interest Rate at 1.00% [Member] \| Secured Debt [Member]
Short-Term Debt [Line Items]
Long-term Debt	$ 266	$ 272

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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