Condensed Statement of Operations and Comprehensive Income (Loss) (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]
Net sales	$ 3,404,026	$ 2,547,028	$ 9,191,073	$ 8,363,646
Cost of goods sold	2,479,624	1,907,052	6,534,514	5,985,468
Gross profit	924,402	639,976	2,656,559	2,378,178
Operating expenses:
Selling	352,900	334,756	1,060,736	1,157,515
General and administrative	257,645	313,723	788,307	1,007,603
Research and development	265,393	225,820	864,272	697,938
Total	875,938	874,299	2,713,315	2,863,056
Operating profit (loss)	48,464	(234,323)	(56,754)	(484,878)
Other income (expense):
Interest income	7	7	23	33
Other, net	(24,306)	(16,625)	(58,800)	(48,751)
Total other income (expense), net	(24,299)	(16,618)	(58,777)	(48,718)
Income (loss) before income taxes	24,165	(250,941)	(115,531)	(533,596)
Income taxes (benefit)	1,797	1,207	5,839	2,734
Net income (loss)	22,368	(252,148)	(121,370)	(536,330)
Other comprehensive income (loss):
Foreign currency translation adjustments	(4,339)	2,527	(2,234)	(5,532)
Unrealized gain (loss) for the period	0	(12,800)	0	(24,000)
Total comprehensive income (loss)	$ 18,029	$ (262,421)	$ (123,604)	$ (565,862)
Basic and diluted net income (loss) per share	$ 0	$ (0.03)	$ (0.02)	$ (0.07)
Weighted average common and common equivalent shares:
Basic and diluted	7,982,704	7,517,012	7,982,704	7,155,472