Consolidated Statements of Operations (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements Of Operations
Net sales	$ 73,301,864	$ 63,148,933
Cost of goods sold	46,976,944	39,783,509
Gross profit	26,324,920	23,365,424
Selling, general and administrative expenses	22,039,956	20,385,268
Operating income	4,284,964	2,980,156
Interest:
Interest expense	(404,326)	(301,304)
Interest income	149,761	159,555
Interest expense, net	(254,565)	(141,749)
Other (expense) income	(4,379)	72,440
Total other (expense) income , net	(258,944)	(69,309)
Income before income tax expense	4,026,020	2,910,847
Income tax expense	1,214,827	337,883
Net income	$ 2,811,193	$ 2,572,964
Earnings per share:
Basic	$ 0.91	$ 0.82
Diluted	$ 0.91	$ 0.81