Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Cash Flows from Operating Activities:
Net income (loss)	$ (636,000)	$ 19,764,000	$ 70,000	$ (373,000)
Reconciliation of net income (loss) to net cash used in operating activities:
Allowance for doubtful accounts			187,000	21,000
Depreciation and amortization	122,000	52,000	189,000	102,000
Loss on disposal of fixed assets			13,000	0
Change in fair value of derivative liabilities	(12,000)	(19,274,000)	(352,000)	828,000
Amortization of operating lease right-of-use asset			215,000	221,000
Stock based compensation			56,000	524,000
Gain from debt extinguishment	0	(658,000)	0	(875,000)
Subtotal of non-cash charges			308,000	821,000
Changes in operating assets and liabilities:
Accounts receivable			(587,000)	(107,000)
Inventories			(629,000)	(395,000)
Prepaid expenses and other current assets			(141,000)	(354,000)
Other assets			(14,000)	4,000
Accounts payable and accrued expenses			(26,000)	(17,000)
Deferred revenue			(35,000)	320,000
Lease liabilities			(222,000)	(224,000)
Net cash used in operating activities			(1,276,000)	(325,000)
Cash Flows from Investing Activities:
Purchase of property, plant and equipment			(102,000)	(40,000)
Net cash used in investing activities			(102,000)	(40,000)
Cash Flows from Financing Activities:
Proceeds from issuance of common stock to related parties			0	3,000,000
Proceeds from issuance of notes payable			1,000,000	184,000
Repayment of notes payable			0	(1,400,000)
Dividend payment				(880,000)
Net cash provided by financing activities			1,000,000	904,000
Net (decrease) increase in cash			(378,000)	539,000
Cash, beginning of the period			866,000	1,422,000	$ 1,422,000
Cash, end of the period	$ 488,000	$ 1,961,000	488,000	1,961,000	$ 866,000
Supplemental disclosure of cash flow information
Cash paid for interest			0	150,000
Cash paid for income taxes			106,000	0
Issuance of common stock for dividend payment			0	770,000
Conversion of Series A Preferred Stock to Common Stock [Member]
Supplemental disclosure of cash flow information
Conversion of convertible preferred stock			$ 1,000	$ 7,000