Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash Flows from Operating Activities:
Net Income	$ 2,001,185	$ 2,079,082
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	1,308,448	1,231,546
Gain on the Sale of Equipment	(13,086)	(1,700)
Deferred Income Taxes	184,000	(291,000)
Changes in Operating Assets and Liabilities:
Accounts Receivable, net	(202,657)	(3,131)
Inventories, net	(1,572,291)	9,593
Other Current Assets	(146,878)	38,034
Accounts Payable	298,348	29,620
Accrued Wages and Salaries	27,118	(16,210)
Other Accrued Expenses	(19,159)	(109,042)
Unearned Revenue and Customer Deposits	15,379	26,642
Net Cash Provided by Operating Activities	1,880,407	2,993,434
Cash Flows from Investing Activities:
Capital Expenditures	(1,998,347)	(1,333,988)
Proceeds from the Sale of Equipment	26,635	1,700
Proceeds from Certificates of Deposit	5,727,000	7,063,000
Purchases of Certificates of Deposit	(4,980,000)	(6,814,000)
Net Cash Used in Investing Activities	(1,224,712)	(1,083,288)
Cash Flows from Financing Activities:
Cash Dividends Paid	(1,101,391)	(1,111,052)
Net Cash Used in Financing Activities	(1,101,391)	(1,111,052)
Net Increase (Decrease) in Cash and Cash Equivalents	(445,696)	799,094
Beginning of Year	1,152,569	353,475
End of Year	706,873	1,152,569
Net Cash Paid for Income Taxes	437,574	706,000
Supplemental Schedule of Non-cash Investing Activities:
Capital Expenditures in Accounts Payable	$ 24,843	$ 3,953