Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
OPERATING ACTIVITIES:
Net loss	$ (5,575,000)	$ (8,052,000)
Net loss from discontinued operations	0	(8,000)
Net loss from continuing operations	(5,575,000)	(8,044,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	4,347,000	5,215,000
Loss (gain) on disposal of equipment	300,000	(124,000)
Impairment loss	0	128,000
Board compensation issued in equity	60,000	311,000
Write-off of inventories	52,000	0
Gain on debt extinguishment	(4,277,000)	0
Interest paid-in-kind on line of credit	119,000	0
Stock-based compensation	811,000	130,000
Severance cost incurred through issuance of restricted shares	112,000	0
Amortization of debt issuance costs and discount	100,000	9,000
Income tax expense	0	273,000
Gain on forgiveness of PPP loan (Note 5)	(4,277,000)	0
Bad debt (recovery) expense	(94,000)	268,000
Changes in operating assets and liabilities:
Accounts receivable	(1,524,000)	(1,380,000)
Inventories	(27,000)	(51,000)
Prepaid expenses and other current assets	1,728,000	(1,117,000)
Amortization of operating lease assets	680,000	858,000
Other assets	18,000	320,000
Accounts payable and accrued liabilities	2,153,000	1,005,000
Operating lease liabilities	(693,000)	(855,000)
Other liabilities	(536,000)	(64,000)
Net cash used in operating activities - continuing operations	(2,246,000)	(4,778,000)
Net cash provided by operating activities - discontinued operations	0	4,000
Net cash used in operating activities	(2,246,000)	(4,774,000)
INVESTING ACTIVITIES:
Purchases of property and equipment	(220,000)	(593,000)
Proceeds from disposals of property and equipment	563,000	393,000
Net cash provided by (used in) investing activities - continuing operations	343,000	(200,000)
Net cash provided by investing activities - discontinued operations	0	0
Net cash provided by (used in) investing activities	343,000	(200,000)
FINANCING ACTIVITIES:
Gross proceeds from stock issuance	0	9,660,000
Stock issuance costs and registration fees	0	(815,000)
Term loan contractual repayments	(1,050,000)	(3,505,000)
Term loan repayment consummated in conjunction with Refinance (Note 5)	(8,400,000)	0
Net line of credit repayments	0	(701,000)
TDR accrued future interest payments	(176,000)	(770,000)
Repayment of long-term debt	(58,000)	(100,000)
Payments on financed insurance	(673,000)	0
Payments of finance leases	(33,000)	(111,000)
Net cash provided by financing activities - continuing operations	1,789,000	3,658,000
Net cash used in financing activities - discontinued operations	0	(2,000)
Net cash provided by financing activities	1,789,000	3,656,000
Net Decrease in Cash and Cash Equivalents	(114,000)	(1,318,000)
Cash and Cash Equivalents, beginning of period	149,000	1,467,000
Cash and Cash Equivalents, end of period	35,000	149,000
Supplemental Cash Flow Information:
Cash paid for interest	1,027,000	822,000
Supplemental Disclosure of Non-cash Investing and Financing Activities:
Non-cash establishment of EWB Obligation consummated in conjunction with the Refinance (Note 5)	1,000,000	0
Non-cash establishment of note receivable for sale of Tioga property in North Dakota	300,000	0
Non-cash financed insurance consummated with insurance renewals	532,000	0
Non-cash operating lease exchange	95,000	0
Non-cash conversion of subordinated debt and accrued interest to Company common stock	0	1,312,000
Non-cash conversion of unamortized subordinated debt discount	0	61,000
Deferred loan costs paid directly by related party in lieu of subordinated note payable	0	210,000
L S Q [Member]
FINANCING ACTIVITIES:
Issuance of debt	2,400,000	0
Net line of credit repayments	545,000	0
Utica [Member]
FINANCING ACTIVITIES:
Issuance of debt	6,000,000	0
Net line of credit repayments	(846,000)
Cross River [Member]
FINANCING ACTIVITIES:
Cross River Revolver Note proceeds	750,000	0
Cross River subordinated debt repayment	(145,000)	0
Paycheck Protection Program CARES Act [Member]
Adjustments to reconcile net loss to net cash used in operating activities:
Gain on debt extinguishment	0	(1,964,000)
Gain on forgiveness of PPP loan (Note 5)	0	(1,964,000)
November 2022 Convertible Note [Member]
FINANCING ACTIVITIES:
Proceeds from Issuance of Long-Term Debt, Total	450,000	0
Convertible Note proceeds, related party	450,000	0
Supplemental Disclosure of Non-cash Investing and Financing Activities:
Non-cash issuance of warrants in connection with November 2022 Convertible Note	416,000	0
Equipment Term Loan [Member]
FINANCING ACTIVITIES:
Term loan borrowings	(700,000)
Term Loan [Member]
FINANCING ACTIVITIES:
Term loan borrowings		0
March 2022 Convertible Note [Member]
FINANCING ACTIVITIES:
Proceeds from Issuance of Long-Term Debt, Total	1,125,000	0
Convertible Note proceeds, related party	1,125,000	0
July 2022 Convertible Note [Member]
FINANCING ACTIVITIES:
Proceeds from Issuance of Long-Term Debt, Total	1,200,000	0
Convertible Note proceeds, related party	1,200,000	0
March 2022 Convertible Note Into Common Stock [Member]
Supplemental Disclosure of Non-cash Investing and Financing Activities:
Non-cash exchange Convertible Note	1,200,000	0
Cross River Revolver Note to November 2022 Convertible Note [Member]
Supplemental Disclosure of Non-cash Investing and Financing Activities:
Non-cash exchange Convertible Note	750,000	0
Conversion of Subordinated Debt to Equity[Member]
Adjustments to reconcile net loss to net cash used in operating activities:
Fair value of warrant issued upon conversion of subordinated debt to equity	$ 0	$ 304,000