Consolidated Balance Sheets - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 2,425,891	$ 2,285,660
Accounts receivable, less allowance	19,565,088	19,477,128
Inventories	35,507,591	33,671,198
Deferred income taxes	389,961	256,676
Prepaid expenses and other current assets	1,744,956	1,820,744
Total current assets	59,633,487	57,511,406
Property, plant and equipment:
Land	417,209	435,876
Buildings	5,418,101	5,126,057
Machinery and equipment	10,254,070	10,066,843
Total property, plant and equipment	16,089,380	15,628,776
Less: accumulated depreciation	8,687,902	8,698,235
Net plant, property and equipment	7,401,478	6,930,541
Intangible assets, less accumulated amortization	11,950,991	12,554,611
Goodwill	1,406,000	1,375,000
Deferred income taxes	880,917	812,649
Other assets	148,493	123,879
Total assets	81,421,366	79,308,086
Current liabilities:
Accounts payable	6,664,160	7,773,021
Other accrued liabilities	5,272,593	7,590,159
Total current liabilities	11,936,753	15,363,180
Long-term debt	25,912,652	24,146,841
Other accrued liabilities - non current	388,400	370,009
Total liabilities	38,237,805	39,880,030
STOCKHOLDERS' EQUITY
Common stock, par value $2.50: authorized 8,000,000 shares; issued - 4,751,060 shares in 2015 and 4,653,424 shares in 2014, including treasury stock	11,876,895	11,632,805
Treasury stock, at cost, 1,402,517 in 2015 and 1,362,072 shares in 2014	(12,962,947)	(12,283,251)
Additional paid-in capital	9,460,008	7,941,330
Accumulated other comprehensive loss	(2,530,790)	(1,647,098)
Retained earnings	37,340,395	33,784,270
Total stockholders' equity	43,183,561	39,428,056
Total liabilities and stockholders' equity	$ 81,421,366	$ 79,308,086