CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Net cash provided by operating activities - continuing operations	$ 13,874,865	$ 1,662,873
Net cash used in operating activities - discontinued operations	(661,698)	(603,296)
Net cash provided by operating activities	13,213,167	1,059,577
Cash flows from investing activities
Purchase of certificate of deposit	(2,518,493)
Maturity of certificate of deposit	2,500,000
Additions to property, plant and equipment and construction in progress	(1,796,196)	(497,296)
Proceeds from asset dispositions	24,360	44,860
Net cash used in investing activities - continuing operations	(1,790,329)	(452,436)
Cash flows from financing activities
Dividends paid to common shareholders	(2,595,547)	(2,584,691)
Dividends paid to preferred shareholders	(4,868)	(5,200)
Dividends paid to non-controlling interests	(464,200)	(649,880)
Repurchase of redeemable preferred stock		(14,863)
Payments made on note payable	(31,144)	(23,195)
Proceeds received from exercise of stock options	2,696	1,709
Net cash used in financing activities	(3,093,063)	(3,276,120)
Net increase (decrease) in cash and cash equivalents	8,329,775	(2,668,979)
Cash and cash equivalents at beginning of period	40,358,059	43,794,150
Cash and cash equivalents at beginning of period - discontinued operations	750,048	154,130
Less: cash and cash equivalents at end of period - discontinued operations	(344,720)	(69,158)
Cash and cash equivalents at end of period	49,093,162	41,210,143
Non-cash transactions:
Conversion (on a one-to-one basis) of 0 and 1,111, respectively, shares of redeemable preferred stock to common stock		667
Dividends declared but not paid	1,302,520	1,295,377
Transfers from (to) inventory to (from) property, plant and equipment and construction in progress	185,013	148,138
Transfers from construction in progress to property, plant and equipment	240,401	166,335
Right-of-use assets obtained in exchange for new operating lease liabilities		1,852,608
Purchase of equipment through issuance of long-term debt	68,422	58,220
Redeemable preferred stock [Member]
Non-cash transactions:
Stock Issued	133,197	102,203
Common stock [Member]
Non-cash transactions:
Stock Issued	$ 521,016	$ 745,468