Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Cash receipts from customers and other receipts	$ 13,395,000	$ 12,684,000
Cash paid to vendors	(10,410,000)	(8,773,000)
Cash paid for payroll and taxes	(1,589,000)	(1,690,000)
Cash paid for interest	(9,000)	(21,000)
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,387,000	2,200,000
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property	(29,000)	(81,000)
Proceeds from sale of property and equipment	4,203,000	0
Payments for other assets	(74,000)	(436,000)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	4,100,000	(517,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	600,000	1,397,000
Payments of long-term debt	(800,000)	(2,232,000)
Debt and common stock issuance costs and other	(560,000)	(662,000)
NET CASH USED IN FINANCING ACTIVITIES	(760,000)	(1,497,000)
NET INCREASE IN CASH	4,727,000	186,000
CASH AT BEGINNING OF YEAR	869,000	683,000
CASH AT END OF YEAR	5,596,000	869,000
RECONCILIATION OF NET LOSS TO NET CASH PROVIDED BY OPERATING ACTIVITIES:
Net loss	(3,420,000)	(2,604,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	1,301,000	1,402,000
Bad debt provision	68,000	199,000
Share-based compensation	705,000	676,000
Impairment charges	40,000	196,000
Loss on disposal of property	29,000	0
Cost of real estate sales	324,000	0
Changes in operating assets and liabilities:
Accounts receivable	191,000	(388,000)
Retirement liabilities	3,038,000	324,000
Accounts payable	(319,000)	(457,000)
Other operating assets and liabilities	(570,000)	2,852,000
NET CASH PROVIDED BY OPERATING ACTIVITIES	$ 1,387,000	$ 2,200,000