Product Sales and Significant Customers and Vendors (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Sales by product and by geographical region
Total sales	$ 8,648,242	$ 8,378,094
United States [Member]
Sales by product and by geographical region
Total sales	4,343,807	4,658,327
Canada [Member]
Sales by product and by geographical region
Total sales	553,984	468,786
Other Foreign [Member]
Sales by product and by geographical region
Total sales	3,750,451	3,250,981
Instruments [Member]
Sales by product and by geographical region
Total sales	2,146,756	2,823,669
Handpieces [Member]
Sales by product and by geographical region
Total sales	6,344,021	5,457,196
Other [Member]
Sales by product and by geographical region
Total sales	$ 157,465	$ 97,229