CONDENSED CONSOLIDATED STATEMENTS OF INCOME (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net sales	$ 14,172	$ 13,389	$ 47,560	$ 40,812
Cost of sales	7,881	8,103	27,616	24,012
Gross profit	6,291	5,286	19,944	16,800
Operating expenses:
Engineering, design and product development	766	1,053	2,494	3,434
Selling and marketing	2,137	1,847	6,060	6,069
General and administrative	1,823	1,901	5,665	5,789
Legal fees and settlement expenses associated with lawsuit (Note 7)		428	1,738	475
	4,726	5,229	15,957	15,767
Operating income	1,565	57	3,987	1,033
Interest and other income (expense):
Interest, net	(7)	(12)	(23)	(38)
Other, net	11	9	(1)	(11)
	4	(3)	(24)	(49)
Income before income taxes	1,569	54	3,963	984
Income tax provision	541	4	1,403	365
Net income	$ 1,028	$ 50	$ 2,560	$ 619
Net income per common share:
Basic (in Dollars per share)	$ 0.13	$ 0.01	$ 0.33	$ 0.07
Diluted (in Dollars per share)	$ 0.13	$ 0.01	$ 0.33	$ 0.07
Shares used in per-share calculation:
Basic (in Shares)	7,800	8,337	7,818	8,362
Diluted (in Shares)	7,848	8,403	7,844	8,487
Dividends declared and paid per common share: (in Dollars per share)	$ 0.08	$ 0.08	$ 0.24	$ 0.23