CONSOLIDATED CONDENSED STATEMENTS OF INCOME (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net revenue	$ 20,483,000	$ 17,622,000	$ 60,668,000	$ 47,180,000
Cost of sales	13,428,000	11,585,000	38,777,000	29,855,000
Gross profit	7,055,000	6,037,000	21,891,000	17,325,000
Selling, general and administrative expenses	5,680,000	4,646,000	17,892,000	14,107,000
Operating income	1,375,000	1,391,000	3,999,000	3,218,000
Interest expense	94,000	126,000	321,000	401,000
Income before income taxes	1,281,000	1,265,000	3,678,000	2,817,000
Income tax expense (benefit)	471,000	(2,302,000)	1,372,000	(2,252,000)
Net income	$ 810,000	$ 3,567,000	$ 2,306,000	$ 5,069,000
Basic earnings per share (in dollars per share)	$ 0.22	$ 0.98	$ 0.63	$ 1.40
Diluted earnings per share (in dollars per share)	$ 0.20	$ 0.95	$ 0.59	$ 1.36
Average common shares outstanding:
Basic (in shares)	3,694,000	3,662,000	3,684,000	3,632,000
Diluted (in shares)	3,912,000	3,804,000	3,888,000	3,727,000