CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue:
Sales	$ 30,541,146	$ 32,814,664
Cost of goods sold	24,927,194	26,087,151
Gross margin	5,613,952	6,727,513
Expenses:
Selling, general and administrative expenses	5,023,499	5,582,691
Depreciation and amortization	192,884	152,427
Total operating expenses	5,216,383	5,735,118
Operating income	397,569	992,395
Other expense (income) :
Other income, net	(12,147)	(22,341)
Interest expense	51,704	90,714
Other expense (income)	39,557	68,373
Income from continuing operations before income taxes	358,012	924,022
Income tax expense	57,600	26,603
Income from continuing operations	300,412	897,419
Discontinued operations:
Loss from discontinued operations, net of taxes of $0		(400,168)
Net income	$ 300,412	$ 497,251
Basic net income per common share:
Income from continuing operations	$ 0.02	$ 0.07
Loss from discontinued operations		$ (0.03)
Net income per share	$ 0.02	$ 0.04
Diluted net income per common share:
Income from continuing operations	$ 0.02	$ 0.07
Loss from discontinued operations		$ (0.03)
Net income per share	$ 0.02	$ 0.04
Weighted-average number of common shares
Basic	12,175,584	12,174,689
Diluted	12,313,048	12,544,143