Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Current Assets:
Cash and cash equivalents	$ 1,209,524	$ 706,873
Certificates of deposit	6,076,000	7,063,000
Accounts receivable - Less allowances of $140,000	5,614,022	5,529,307
Inventories, net	5,476,333	6,100,391
Prepaid income taxes	74,186	150,686
Other current assets	835,333	438,222
Total current assets	19,285,398	19,988,479
Property, Plant and Equipment:
Land and improvements	1,636,749	1,632,299
Buildings and improvements	8,327,006	8,234,182
Production equipment and other	36,363,188	35,627,443
Property, Plant and Equipment, Gross	46,326,943	45,493,924
Less accumulated depreciation	32,536,011	32,235,778
Net property, plant and equipment	13,790,932	13,258,146
Total assets	33,076,330	33,246,625
Current Liabilities:
Accounts payable	987,976	1,060,231
Accrued wages and salaries	861,953	701,434
Other accrued expenses	304,232	475,973
Unearned revenue and customer deposits	202,625	328,154
Total current liabilities	2,356,786	2,565,792
Deferred income taxes	1,055,084	921,084
Total liabilities	3,411,870	3,486,876
Shareholders' Equity:
Preferred stock, no par value, 500,000 shares authorized: none outstanding	0	0
Common stock, $1.00 par value, 4,000,000 shares authorized, 1,138,096 shares issued; 966,132 shares outstanding	1,138,096	1,138,096
Additional paid-in capital	447,134	447,134
Retained earnings	32,001,328	32,096,617
Treasury stock, 171,964 shares at cost	(3,922,098)	(3,922,098)
Total shareholders' equity	29,664,460	29,759,749
Total liabilities and shareholders' equity	$ 33,076,330	$ 33,246,625