Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net loss from continuing operations	$ (21,000)	$ (381,000)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities
Depreciation and amortization	98,000	124,000
Equity compensation expense	31,000	0
Provision for losses on accounts receivable	0	12,000
Change in assets and liabilities:
Accounts receivable	125,000	(1,860,000)
Inventories	(620,000)	(16,000)
Prepaid expenses and other assets	339,000	(212,000)
Trade payables	215,000	753,000
Accrued liabilities	(165,000)	159,000
Net cash provided by (used in) operating activities	2,000
Net cash provided by (used in) operating activities, continuing		(1,421,000)
Cash flows from investing activities:
Purchases of property, plant and equipment	(15,000)	(46,000)
Net cash used in investing activities	(15,000)
Net cash used in investing activities, continuing		(46,000)
Cash flows from financing activities:
Proceeds from issuance of long-term debt and revolving line of credit	155,000	1,557,000
Net cash provided by financing activities	155,000
Net cash provided by financing activities, continuing		1,557,000
Cash flows from discontinued operations:
Operating activities		368,000
Investing activities		0
Financing activities		96,000
Net cash provided by discontinued operations	0	464,000
Effect of exchange rate changes in cash		(554,000)
Net increase / (decrease) in cash and cash equivalents	142,000	0
Cash and cash equivalents at beginning of period	66,000	66,000
Cash and cash equivalents at end of period	208,000	66,000
Supplemental disclosure of cash flow information and noncash investing and financing activities:
Cash payments for interest	78,000	195,000
Accrued Divided and Accretion on preferred stock	202,000	209,000
Lease right-of-use assets and lease liability	747,000	568,000
Amortization of beneficial conversion feature and deemed dividend on Series C Preferred stock	0	1,500,000
Series C Preferred Stock [Member]
Supplemental disclosure of cash flow information and noncash investing and financing activities:
Issuance of Series C Preferred in exchange from advance from investor	$ 0	$ 1,500,000