Notes Payable and Convertible Notes - Summary of Convertible Debt (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Total Notes Payable and Convertible Notes	$ 7,094	$ 7,906
Healthy Pharms Inc. | Convertible Note
Debt Instrument [Line Items]
Terms	Unsecured convertible note, due November 18, 2021 at 12% per annum
Total Notes Payable and Convertible Notes	$ 0	2,784
Healthy Pharms Inc. | Unsecured Debt
Debt Instrument [Line Items]
Terms	Unsecured promissory note at $0.50 per share due December 18, 2022 at 10% per annum (1)
Total Notes Payable and Convertible Notes	$ 3,294	$ 3,213
Arkansas Entities | Unsecured Debt | 14% Unsecured Promissory Note
Debt Instrument [Line Items]
Terms		Unsecured Promissory note, monthly interest payments at 14% per annum
Total Notes Payable and Convertible Notes	1,709	$ 1,709
Equipment Loans | Secured Debt
Debt Instrument [Line Items]
Terms		Secured by equipment, monthly payments beginning in 2021 at 15% per annum
Total Notes Payable and Convertible Notes	0	$ 49
Other
Debt Instrument [Line Items]
Terms		Various
Total Notes Payable and Convertible Notes	$ 91	$ 151
NECC | Notes Payable, Other Payables
Debt Instrument [Line Items]
Terms	Promissory note due July 28, 2022 at 10% per annum
Total Notes Payable and Convertible Notes	$ 2,000