CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 2,292,300	$ 1,650,073
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	3,061,386	2,270,643
Unrealized Losses on Investments	104,044
Undistributed Earnings of Other Equity Investments	(105,916)	(53,308)
Noncash Patronage Refund	(100,946)	(76,485)
Distributions from Equity Investments	100,000
Stock Issued in Lieu of Cash Payment	155,013	104,041
Stock-based Compensation	20,112	8,172
Changes in Assets and Liabilities:
Receivables	603,414	334,951
Income Taxes Receivable	305,751
Inventories	202,408	233,139
Prepaid Expenses	(417,593)	(372,503)
Deferred Charges	(48,900)
Accounts Payable	(145,163)	(726,693)
Accrued Income Taxes	248,698	331,629
Other Accrued Taxes	62,427	45,433
Other Accrued Liabilities	(5,289)	246,449
Deferred Compensation	(7,404)	(8,224)
Net Cash Provided by Operating Activities	6,324,342	3,987,317
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to Property, Plant, and Equipment, Net	(2,312,530)	(1,706,729)
Grants Received for Construction of Plant	390,922	323,319
Other, Net	(74,472)	(53,000)
Net Cash Used in Investing Activities	(1,996,080)	(1,436,410)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal Payments of Long-Term Debt		(675,000)
Loan Origination Fees	(11,110)
Dividends Paid	(621,031)	(516,007)
Net Cash Used in Financing Activities	(632,141)	(1,191,007)
NET INCREASE IN CASH	3,696,121	1,359,900
CASH at Beginning of Period	1,584,769	1,842,092
CASH at End of Period	5,280,890	3,201,992
Supplemental cash flow information:
Cash paid for interest	898,488	267,358
Net cash paid for income taxes	$ 337,000	$ 310,000