Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Cash receipts from customers and other receipts	$ 12,684	$ 16,834
Cash paid to vendors	(8,773)	(13,523)
Cash paid for payroll and taxes	(1,690)	(1,433)
Cash paid for interest	(21)	(106)
NET CASH PROVIDED BY OPERATING ACTIVITIES	2,200	1,772
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property	(81)	(712)
Payments for other assets	(436)	(278)
NET CASH USED IN INVESTING ACTIVITIES	(517)	(990)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	1,397	1,500
Payments of long-term debt	(2,232)	(1,700)
Debt and common stock issuance costs and other	(662)	(653)
Stock options exercised		130
NET CASH USED IN FINANCING ACTIVITIES	(1,497)	(723)
NET INCREASE IN CASH	186	59
CASH AT BEGINNING OF YEAR	683	624
CASH AT END OF YEAR	869	683
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Net loss	(2,604)	(10,366)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	1,402	1,496
Bad debt provision	199	13
Share-based compensation	676	705
Impairment charges	196	3,643
Disposal of property		55
Changes in operating assets and liabilities:
Accounts receivable	(388)	(197)
Retirement liabilities	324	837
Accounts payable	(457)	(668)
Income taxes receivable		2,499
Other operating assets and liabilities	2,852	3,755
NET CASH PROVIDED BY OPERATING ACTIVITIES	$ 2,200	$ 1,772