Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
OPERATING ACTIVITIES
Net income (loss)	$ 509,465	$ (5,381,946)	$ (378,065)
Adjustments to reconcile net income (loss) to net cash provided (used) by operating activities:
Depreciation and amortization	1,330,017	1,433,295	469,804
Amortization of lease cost in excess of cash paid	36,223	46,994	134,545
Deferred income taxes	(127,502)	839,928	917,088
Increase (decrease) in:
Accounts receivable	(24,971)	(98,388)	(377,151)
Inventories	(103,530)	(9,896)	82,123
Prepaid expenses	(19,391)	189,884	(96,392)
Other assets including long-term portion of accounts receivable	(122,440)	4,508,836	548,648
Accounts payable and accrued expenses	41,058	147,040	207,745
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,518,929	1,675,747	1,508,345
INVESTING ACTIVITIES
Purchase of property and equipment	(1,449,779)	(2,084,710)	(289,351)
NET CASH USED BY INVESTING ACTIVITIES	(1,449,779)	(2,084,710)	(289,351)
FINANCING ACTIVITIES
Payment of principal on First Financial Bank loan	0	(4,379,024)	(998,271)
Payment of principal on convertible notes	0	(1,275,000)	0
Net proceeds from new financings net of closing costs	0	7,039,218	0
Lease liabilities	0	0	(78,785)
NET CASH (USED) PROVIDED BY FINANCING ACTIVITIES	0	1,385,194	(1,077,056)
Increase (decrease) in cash	69,150	976,231	141,938
Cash at beginning of year	1,194,363	218,132	76,194
Cash at end of year	$ 1,263,513	$ 1,194,363	$ 218,132