Consolidated Balance Sheets - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 5,910,770	$ 2,425,891
Accounts receivable, less allowance	20,020,984	19,565,088
Inventories	37,237,861	35,507,591
Deferred income taxes	501,708	389,961
Prepaid expenses and other current assets	1,791,871	1,744,956
Total current assets	65,463,194	59,633,487
Property, plant and equipment:
Land	412,598	417,209
Buildings	5,668,866	5,418,101
Machinery and equipment	13,428,678	10,254,070
Total property, plant and equipment	19,510,142	16,089,380
Less: accumulated depreciation	11,537,242	8,687,902
Net plant, property and equipment	7,972,900	7,401,478
Intangible assets, less accumulated amortization	13,988,186	11,950,991
Goodwill	3,948,235	1,406,000
Deferred income taxes	668,641	880,917
Other assets	24,936	148,493
Total assets	92,066,092	81,421,366
Current liabilities:
Accounts payable	7,338,798	6,664,160
Other accrued liabilities	5,480,950	5,272,593
Total current liabilities	12,819,748	11,936,753
Long-term debt	32,935,858	25,912,652
Other accrued liabilities - non current	190,140	388,400
Total liabilities	45,945,746	38,237,805
STOCKHOLDERS' EQUITY
Common stock, par value $2.50: authorized 8,000,000 shares; issued - 4,788,965 shares in 2016 and 4,751,060 shares in 2015, including treasury stock	11,971,657	11,876,895
Treasury stock, at cost, 1,464,010 in 2016 and 1,402,517 shares in 2015	(13,870,041)	(12,962,947)
Additional paid-in capital	8,493,256	9,460,008
Accumulated other comprehensive loss	(2,336,201)	(2,530,790)
Retained earnings	41,861,675	37,340,395
Total stockholders' equity	46,120,346	43,183,561
Total liabilities and stockholders' equity	$ 92,066,092	$ 81,421,366