CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 4,964,885	$ 4,850,220
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	6,149,804	6,100,238
Unrealized Gains on Investments	(47,640)	104,044
Undistributed Earnings of Other Equity Investments	(168,189)	(204,422)
Noncash Patronage Refund	(143,692)	(100,946)
Stock Issued in Lieu of Cash Payment	174,548	201,662
Distributions from Equity Investments		200,000
Stock-based Compensation	(10,079)	54,149
Changes in Assets and Liabilities:
Receivables	387,342	1,233,888
Income Taxes Receivable	(227,118)	305,751
Materials, Supplies and Investments	(232,705)	(202,601)
Prepaid Expenses	(519,246)	(413,410)
Other Assets	(165,600)	(48,900)
Accounts Payable	(590,466)	(197,775)
Accrued Income Taxes	(729,600)	425,440
Other Accrued Taxes	(544)	11,852
Other Accrued Liabilities	(573,614)	(393,642)
Deferred Compensation	(143,119)	(24,278)
Net Cash Provided by Operating Activities	8,124,967	11,901,270
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to Property, Plant, and Equipment, Net	(4,054,206)	(4,119,328)
Grants Received for Construction of Plant	422,786	390,922
Other, Net	(111,792)	(106,959)
Net Cash Used in Investing Activities	(3,743,212)	(3,835,365)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal Payments of Long-Term Debt	(2,316,615)	(1,152,600)
Loan Proceeds	2,889,000
Loan Origination Fees		(18,084)
Repurchase of Common Stock	(238,612)
Dividends Paid	(674,171)	(1,295,836)
Net Cash Used in Financing Activities	(340,398)	(2,466,520)
NET INCREASE IN CASH	4,041,357	5,599,385
CASH at Beginning of Period	2,993,000	1,584,769
CASH at End of Period	7,034,357	7,184,154
Supplemental cash flow information:
Cash paid for interest	1,253,890	1,803,485
Net cash paid for income taxes	$ 2,887,500	$ 1,155,000