Consolidated Balance Sheets (USD $)	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 11,643,764	$ 9,749,864
Accounts receivable, less allowance	15,629,275	16,441,970
Inventories	28,218,883	30,292,120
Deferred income taxes	330,640	402,467
Prepaid expenses and other current assets	1,163,044	1,522,745
Total current assets	56,985,606	58,409,166
Property, plant and equipment:
Land	596,785	291,310
Buildings	5,854,255	2,294,327
Machinery and equipment	8,904,982	8,282,926
Total property, plant and equipment	15,356,022	10,868,563
Less: accumulated depreciation	9,419,761	8,515,327
Net plant, property and equipment	5,936,261	2,353,236
Note receivable		1,701,987
Intangible assets, less accumulated amortization	4,071,897	4,240,401
Deferred income taxes	945,709	967,892
Other assets	139,506	155,134
Total assets	68,078,979	67,827,816
Current liabilities:
Accounts payable	4,788,717	6,480,146
Other accrued liabilities	5,087,233	5,250,071
Total current liabilities	9,875,950	11,730,217
Long-term debt	22,911,829	24,319,829
Other accrued liabilities - non current	285,955	911,467
Total liabilities	33,073,734	36,961,513
STOCKHOLDERS' EQUITY
Common stock, par value $2.50: authorized 8,000,000 shares; issued - 4,563,174 shares in 2013 and 4,487,524 shares in 2012, including treasury stock	11,407,180	11,218,055
Treasury stock, at cost, 1,362,072 shares in 2013 and 2012	(12,283,251)	(12,283,251)
Additional paid-in capital	6,466,388	5,636,274
Accumulated other comprehensive loss	(684,521)	(786,893)
Retained earnings	30,099,449	27,082,118
Total stockholders' equity	35,005,245	30,866,303
Total liabilities and stockholders' equity	$ 68,078,979	$ 67,827,816