Condensed Statement of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Net sales	$ 2,592,295	$ 2,640,702	$ 5,651,744	$ 5,787,047
Cost of goods sold	1,740,342	1,841,012	3,842,925	4,054,890
Gross profit	851,953	799,690	1,808,819	1,732,157
Selling	384,191	355,055	792,792	707,834
General and administrative	254,274	238,109	503,729	530,662
Research and development	292,599	290,213	563,761	598,879
Total	931,064	883,377	1,860,282	1,837,375
Operating profit (loss)	(79,111)	(83,687)	(51,463)	(105,218)
Other:
Interest income	9	9	15	16
Other, net	(22,795)	(20,293)	(45,879)	(34,494)
Total other income (expense), net	(22,786)	(20,284)	(45,864)	(34,478)
Income (loss) before income taxes	(101,897)	(103,971)	(97,327)	(139,696)
Income taxes (benefit)	3,779	2,711	3,779	4,041
Net income (loss)	(105,676)	(106,682)	(101,106)	(143,737)
Other comprehensive income (loss):
Foreign currency translation adjustments	0	1,743	0	2,105
Net comprehensive income (loss)	$ (105,676)	$ (104,939)	$ (101,106)	$ (141,632)
Basic and diluted net income (loss) per share	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.02)
Weighted average common and common equivalent shares:
Basic and diluted	7,996,905	7,982,704	7,991,087	7,982,704