Condensed Statement of Operations and Comprehensive Income (Loss) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Net sales	$ 14,691,186	$ 12,672,311
Cost of goods sold	11,056,893	9,369,299
Gross profit	3,634,293	3,303,012
Operating expenses:
Selling	1,906,711	2,064,022
General and administrative	1,252,654	1,172,045
Research and development	1,154,810	1,008,482
Total	4,314,175	4,244,549
Operating profit (loss)	(679,882)	(941,537)
Other income (expense):
Interest income	112	2,315
Other income (expense), net	(49,180)	71,238
Total other income (expense), net	(49,068)	73,553
Income (loss) before income taxes	(728,950)	(867,984)
Income taxes (benefit)	3,392	2,070
Net income (loss)	(732,342)	(870,054)
Other comprehensive income (loss):
Foreign currency translation adjustments	11,660	(9,680)
Unrealized gain (loss) for the period	(38,280)	(246,424)
Total comprehensive income (loss)	$ (758,962)	$ (1,126,158)
Basic and diluted net income (loss) per share	$ (0.11)	$ (0.15)
Weighted average common and common equivalent shares:
Basic and diluted	6,973,704	5,617,535