Consolidated Balance Sheets - USD ($)		Dec. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents		$ 800,894	$ 231,252
Certificates of deposit		6,565,000	6,058,000
Accounts receivable, net	[1]	5,438,332	5,669,654
Inventories, net		4,538,212	5,162,474
Deferred income taxes		425,191	446,191
Prepaid income taxes		273,112	173,656
Other current assets		383,953	348,413
Total current assets		18,424,694	18,089,640
Property, plant and equipment, net		11,698,443	10,877,995
Total assets		30,123,137	28,967,635
Current Liabilities:
Accounts payable		768,111	923,819
Accrued wages and salaries		611,484	605,029
Other accrued expenses		465,662	520,723
Unearned revenue and customer deposits		467,189	69,866
Total current liabilities		2,312,446	2,119,437
Deferred income taxes		1,319,275	1,107,275
Total liabilities		3,631,721	3,226,712
Shareholders' Equity:
Preferred stock	[2]	0	0
Common stock	[3]	1,138,096	1,138,096
Additional paid-in capital		447,134	447,134
Retained earnings		28,828,284	28,077,791
Less: Treasury stock	[4]	3,922,098	3,922,098
Total shareholders' equity		26,491,416	25,740,923
Total liabilities and shareholders' equity		$ 30,123,137	$ 28,967,635

[1] Net of allowance of $150,000.

[2] No par value, 500,000 shares authorized, none outstanding.

[3] $1.00 par value, 4,000,000 shares authorized, 1,138,096 shares issued, 966,132 shares outstanding.

[4] At cost, 171,964 shares.