Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
OPERATING ACTIVITIES
Net income (loss)	$ 186,957	$ (912,573)
Adjustments to reconcile net income to net cash Provided by operating activities:
Depreciation and amortization	471,613	545,110
Amortization of lease costs in excess of cash paid	10,561	18,605
Deferred income taxes	(61,913)	0
Changes in operating assets and liabilities (Increase) decrease in:
Accounts receivable	127,824	126,827
Inventories	525	17,106
Prepaid expenses	35,297	70,174
Other assets	(74,095)	(31,726)
Accounts payable and accrued expenses	165,944	(344,391)
NET CASH PROVIDED BY OPERATING ACTIVITIES	161,507	886,064
INVESTING ACTIVITIES
Purchase of property and equipment	524,731	63,750
NET CASH USED IN INVESTING ACTIVITIES	(524,731)	(63,750)
FINANCING ACTIVITIES
Payment of principal on bank loans	0	0
Payment of principal on convertible notes	0	0
Proceeds of new loan - Corbel	0	0
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	0	0
Increase (decrease) in cash	(363,224)	822,314
Cash at beginning of period	1,263,513	1,194,363
Cash at end of period	900,289	2,016,677
Supplemental schedule of investing and financing activities
Cash paid for interest	$ 459,533	$ 446,801