Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income (Loss)	$ 21,000	$ (1,003,000)
Adjustments to reconcile net income (loss) to net cash used in operating activities
Depreciation of property and equipment	2,105,000	1,920,000
Non-cash employee compensation expense	361,000	266,000
Non-cash directors compensation	156,000	159,000
Non-cash other income recognized	(274,000)	(302,000)
Non-cash interest expense	82,000	90,000
Non-cash deferred payroll tax expense - CARES Act		429,000
Amortization of Right-of-Use Asset	364,000	366,000
Deferred gain on sale of real estate	(29,000)	(29,000)
Loss on sale of equipment		16,000
Amortization of debt discount on convertible notes payable		196,000
Bad debt expense (recovery)	(54,000)	367,000
Amortization of deferred financing costs	118,000	73,000
(Increase) Decrease in Operating Assets:
Accounts receivable	(1,692,000)	(2,257,000)
Inventory	2,761,000	(4,194,000)
Prepaid expenses and other current assets	(159,000)	53,000
Prepaid taxes		(6,000)
Deposits and other assets	(15,000)	(213,000)
Accounts payable and accrued expenses	(1,261,000)	1,594,000
Operating lease liabilities	(541,000)	(506,000)
Income taxes payable		(27,000)
Deferred revenue	571,000	(176,000)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	2,514,000	(3,184,000)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	(983,000)	(1,471,000)
NET CASH USED IN INVESTING ACTIVITIES	(983,000)	(1,471,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Note payable - revolver - net - Sterling National Bank	(2,187,000)	3,340,000
Payments of note payable - term note - Sterling National Bank	(1,147,000)	(414,000)
SBA Loan Proceeds - Sterling National Bank		2,414,000
Payments of finance lease obligations	(3,000)	(11,000)
Proceeds from issuance of common stock		984,000
Share issuance costs		(145,000)
Payments of notes payable issuances- related party		(1,032,000)
Payments of notes payable - third party		(100,000)
Payments of loan payable - financed asset	(7,000)	(215,000)
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES	(3,344,000)	4,821,000
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(1,813,000)	166,000
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	2,505,000	1,294,000
CASH AND CASH EQUIVALENTS AT END OF PERIOD	692,000	1,460,000
Supplemental cash flow information
Cash paid during the period for interest	918,000	680,000
Cash received for income taxes		1,416,000
investing and financing activities
Right of Use Asset additions under ASC 842		642,000
Operating Lease Liabilities under ASC 842		642,000
Common Stock issued for conversion of notes payable and accrued interest		$ 885,000