CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 9,868,920	$ 7,425,239
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	9,444,469	9,193,566
PPP Loan Forgiveness	(2,912,433)
Unrealized Gains on Investments		(47,640)
Undistributed Earnings of Other Equity Investments	(262,423)	(225,680)
Noncash Patronage Refund	(149,586)	(143,692)
Stock Issued in Lieu of Cash Payment	252,968	234,522
Distributions from Equity Investments	150,000	100,000
Stock-based Compensation	153,200	13,098
Changes in Assets and Liabilities:
Receivables	(86,498)	186,608
Income Taxes Receivable	439,401	(120,318)
Materials, Supplies and Inventories	(3,062,695)	(747,240)
Prepaid Expenses	(752,191)	(780,450)
Other Assets	(108,661)	(52,943)
Accounts Payable	529,947	(137,845)
Accrued Income Taxes		(729,600)
Other Accrued Taxes	(66,604)	(60,279)
Other Accrued Liabilities	(121,179)	(359,911)
Deferred Compensation	(229,872)	(221,472)
Net Cash Provided by Operating Activities	13,086,763	13,525,963
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to Property, Plant, and Equipment, Net	(11,859,569)	(7,894,696)
Grants Received for Construction of Plant	724,465	650,208
Other, Net	(63,000)	(945,942)
Net Cash Used in Investing Activities	(11,198,104)	(8,190,430)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal Payments of Long-Term Debt	(3,457,800)	(3,469,215)
Loan Proceeds		2,889,000
Changes in Revolving Credit Facility		56,207
Repurchase of Common Stock	(167,467)	(238,612)
Dividends Paid	(2,135,027)	(674,171)
Net Cash Used in Financing Activities	(5,760,294)	(1,436,791)
NET CHANGE IN CASH	(3,871,635)	3,898,742
CASH at Beginning of Period	8,617,660	2,993,000
CASH at End of Period	4,746,025	6,891,742
Supplemental cash flow information:
Cash paid for interest	1,715,087	1,821,995
Net cash paid for income taxes	$ 2,275,000	$ 3,737,500