CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 7,372,756	$ 8,854,765	$ 8,306,895
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,264,246	5,897,100	5,659,005
Deferred income taxes	750,363	62,948	584,512
Deferred compensation and pension			416,572
Loss (gain) on disposal of fixed assets	52,293	(50,949)	53,124
Gain on acquisition	(601,975)
Stock compensation expense	458,800	122,500	122,500
Receivables	(3,182,751)	824,438	2,549,431
Inventories	(9,813,065)	(2,177,197)	(6,166,492)
Income tax receivable	(242,228)		(1,164,664)
Other current assets	(319,340)	1,598,879	(768,089)
Other assets	68,214	146,766	712,419
Accounts payable	(4,779,055)	3,769,551	(2,922,410)
Accrued and other liabilities	1,518,524	(1,055,248)	(853,245)
Net cash (used in) provided by operating activities	(2,453,218)	17,993,553	6,529,558
Purchase of fixed assets	(7,717,102)	(6,145,390)	(7,559,846)
Proceeds from sales of fixed assets	47,625	118,398	62,295
Acquisition of business assets	(2,229,000)
Investment in trademarks and patents	(68,452)	(55,613)	(46,098)
Net cash used in investing activities	(9,966,929)	(6,082,605)	(7,543,649)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from revolving credit facility	78,622,969	63,140,815	76,376,444
Repayments of revolving credit facility	(63,696,111)	(74,679,475)	(74,474,277)
Repayments of long-term debt			(1,997,985)
Debt financing costs	(58,738)
Dividends paid on common stock	(2,254,935)
Proceeds from exercise of stock options			371,427
Tax benefit related to stock options			26,242
Net cash provided by (used in) financing activities	12,613,185	(11,538,660)	301,851
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	193,038	372,288	(712,240)
CASH AND CASH EQUIVALENTS:
BEGINNING OF PERIOD	4,022,579	3,650,291	4,362,531
END OF PERIOD	$ 4,215,617	$ 4,022,579	$ 3,650,291