CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 7,623,624	$ 4,964,885
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	6,245,132	6,149,804
PPP Loan Forgiveness	(2,912,433)
Unrealized Gains on Investments		(47,640)
Undistributed Earnings of Other Equity Investments	(138,898)	(168,189)
Noncash Patronage Refund	(129,177)	(143,692)
Stock Issued in Lieu of Cash Payment	85,680	174,548
Distributions from Equity Investments	150,000
Stock-based Compensation	228,683	(10,079)
Changes in Assets and Liabilities:
Receivables	(1,299,998)	387,342
Income Taxes Receivable	(428,768)	(227,118)
Materials, Supplies and Inventories	(2,650,060)	(232,705)
Prepaid Expenses	(801,777)	(519,246)
Other Assets	(94,791)	(225,316)
Accounts Payable	(86,479)	(590,466)
Accrued Income Taxes		(729,600)
Other Accrued Taxes	(888)	(544)
Other Accrued Liabilities	(272,194)	(573,614)
Deferred Compensation	(150,845)	(143,119)
Net Cash Provided by Operating Activities	5,366,811	8,065,251
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to Property, Plant, and Equipment, Net	(5,566,431)	(4,054,206)
Grants Received for Construction of Plant		422,786
Other, Net	(53,000)	(52,076)
Net Cash Used in Investing Activities	(5,619,431)	(3,683,496)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal Payments of Long-Term Debt	(2,305,200)	(2,316,615)
Loan Proceeds		2,889,000
Changes in Revolving Credit Facility	309,660
Repurchase of Common Stock	(72,067)	(238,612)
Dividends Paid	(1,405,839)	(674,171)
Net Cash Used in Financing Activities	(3,473,446)	(340,398)
NET INCREASE IN CASH	(3,726,066)	4,041,357
CASH at Beginning of Period	8,617,660	2,993,000
CASH at End of Period	4,891,594	7,034,357
Supplemental cash flow information:
Cash paid for interest	1,285,943	1,253,890
Net cash paid for income taxes	$ 2,270,000	$ 2,887,500