Product Sales and Significant Customers and Vendors (Tables)

12 Months Ended

Dec. 31, 2012

Product Sales and Significant Customers and Vendors [Abstract]

Sales by product and by geographical region

	Year End December 31,
	2012		2011
Instruments	$	2,146,756	$	2,823,669
Handpieces		6,344,021		5,457,196
Other		157,465		97,229
	$	8,648,242	$	8,378,094
United States	$	4,343,807	$	4,658,327
Canada		553,984		468,786
Other foreign		3,750,451		3,250,981
	$	8,648,242	$	8,378,094