Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 1,139	$ 3,941
Accounts receivable, net of allowance for credit losses of $32 and $27	2,824	3,703
Inventories	543	465
Other current assets	308	735
Current assets held for sale	0	2,224
Total current assets	4,814	11,068
Property and equipment, net	4,238	6,020
Operating lease right-of-use assets	0	77
Intangible assets	270	380
Long-term assets held for sale	0	9,888
Total assets	9,322	27,433
Current liabilities:
Accounts payable	1,549	1,232
Commodities payable	2,466	1,546
Accrued salary, wages and benefits	316	489
Accrued legal	1,985	595
Accrued expenses	434	500
Operating lease liabilities, current portion	0	107
Due under line of credit	1,866	3,150
Due under insurance premium finance agreements	75	185
Finance lease liabilities, current portion	132	113
Long-term debt, current portion	137	988
Current liabilities held for sale	0	540
Total current liabilities	8,960	11,277
Finance lease liabilities, less current portion	402	320
Long-term debt, less current portion	2,960	836
Derivative warrant liability	0	69
Long-term liabilities held for sale	0	2,022
Total liabilities	12,322	14,524
Commitments and contingencies
Shareholders' (deficit) equity:
Preferred stock, 20,000,000 shares authorized: Series G, convertible, 3,000 shares authorized, stated value $150, 150 shares, issued and outstanding	75	75
Common stock, no par value, 15,000,000 shares authorized, 9,513,341 shares and 6,309,509 shares, issued and outstanding	330,202	328,551
Accumulated deficit	(333,277)	(315,717)
Total shareholders' (deficit) equity	(3,000)	12,909
Total liabilities and shareholders' (deficit) equity	9,322	27,433
Line of Credit With Bank [Member]
Current liabilities:
Due under line of credit	$ 0	$ 1,832