Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and Cash Equivalents	$ 1,794,583	$ 550,135
Marketable securities	7,744,695	7,622,196
Accounts receivable, net of allowance for doubtful accounts of $16,895 at September 30, 2019 and December 31, 2018	1,618,908	1,672,567
Inventories, net	1,273,992	1,482,151
Prepaid expenses and other current assets	170,568	159,364
Prepaid income taxes	98,311	200,687
Total current assets	12,701,057	11,687,100
Net property, plant, and equipment:
Land	69,000	69,000
Factory equipment and fixtures	4,482,236	4,406,174
Building and improvements	2,830,182	2,801,582
Total property, plant, and equipment	7,381,418	7,276,756
Less: Accumulated depreciation	6,567,339	6,448,831
Total property, plant, and equipment, net	814,079	827,925
Other assets, net	18,530	29,647
TOTAL ASSETS	13,533,666	12,544,672
Current liabilities:
Accounts payable	307,845	186,797
Accrued expenses	1,080,999	1,040,635
Dividends payable	140,649	138,719
Total current liabilities	1,529,493	1,366,151
Deferred income taxes	234,736	253,583
Commitments and contingencies
Stockholders’ equity:
Common stock $.10 par value 10,000,000 shares authorized 4,594,319 shares issued and outstanding at September 30, 2019 and December 31, 2018, respectively	459,432	459,432
Retained earnings	11,310,005	10,465,506
Total stockholders’ equity	11,769,437	10,924,938
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 13,533,666	$ 12,544,672