Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flow from operating activities:
Net loss	$ (7,858)	$ (8,949)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	2,103	2,397
Amortization	147	195
Stock and share-based compensation	1,286	1,132
Change in fair value of derivative warrant liability	(189)	(389)
Impairment of goodwill	0	3,915
Loss (gain) on disposition and involuntary conversion of property and equipment	(147)	6
Gain on extinguishment of PPP loan	0	(1,792)
Provision for bad debts	64	15
Accretion of interest	24	83
Other	(33)	0
Changes in operating assets and liabilities:
Accounts receivable	369	(1,332)
Inventories	66	(566)
Accounts payable and accrued expenses	624	280
Commodities payable	(156)	876
Other	(236)	(69)
Net cash used in operating activities	(3,936)	(4,198)
Cash flows from investing activities:
Purchases of property and equipment	(563)	(1,440)
Proceeds from insurance on involuntary conversion	109	639
Proceeds from sale of property and equipment	0	3
Net cash used in investing activities	(454)	(798)
Cash flows from financing activities:
Advances on factoring agreement	38,117	31,038
Payments on bank line of credit	(2,035)	0
Advances on insurance premium finance agreements	927	962
Payments on insurance premium finance agreements	(870)	(960)
Advances on long-term debt, net of issuance costs	900	1,167
Payments of long-term debt and finance lease liabilities	(1,310)	(665)
Proceeds from issuances of common stock and warrants, net of cash issuance costs	1,256	3,364
Proceeds from common stock warrant exercises	0	171
Net cash provided by financing activities	2,506	5,558
Net change in cash and cash equivalents	(1,884)	562
Cash and cash equivalents, beginning of period	5,825	5,263
Cash and cash equivalents, end of period	3,941	5,825
Net change in cash and cash equivalents and restricted cash	(1,884)	562
Supplemental disclosures:
Cash paid for interest	548	354
Cash paid for income taxes	26	18
Factoring Agreement [Member]
Cash flows from financing activities:
Payments on factoring agreement	(38,346)	(29,519)
Line of Credit With Bank [Member]
Cash flows from financing activities:
Advances on factoring agreement	$ 3,867	$ 0