Condensed Statement of Operations and Comprehensive Income (Loss) (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Net sales	$ 2,640,702	$ 2,999,019	$ 5,787,047	$ 5,816,618
Cost of goods sold	1,841,012	1,964,785	4,054,890	4,078,416
Gross profit	799,690	1,034,234	1,732,157	1,738,202
Operating expenses:
Selling	355,055	400,094	707,834	822,759
General and administrative	238,109	354,346	530,662	693,880
Research and development	290,213	213,606	598,879	472,118
Total	883,377	968,046	1,837,375	1,988,757
Operating profit (loss)	(83,687)	66,188	(105,218)	(250,555)
Other:
Interest income	9	17	16	26
Other, net	(20,293)	(15,797)	(34,494)	(32,126)
Total other income (expense), net	(20,284)	(15,780)	(34,478)	(32,100)
Income (loss) before income taxes	(103,971)	50,408	(139,696)	(282,655)
Income taxes (benefit)	2,711	1,016	4,041	1,527
Net income (loss)	(106,682)	49,392	(143,737)	(284,182)
Other comprehensive income (loss):
Foreign currency translation adjustments	1,743	1,896	2,105	(8,059)
Unrealized gain (loss) for the period	0	(24,000)	0	(11,200)
Net comprehensive income (loss)	$ (104,939)	$ 27,288	$ (141,632)	$ (303,441)
Basic and diluted net income (loss) per share	$ (0.01)	$ 0.01	$ (0.02)	$ (0.04)
Weighted average common and common equivalent shares:
Basic and diluted	7,982,704	6,973,704	7,982,704	6,973,704