Other Income

12 Months Ended

Dec. 31, 2014

Other Income and Expenses [Abstract]

Other Income

14. Other Income

In 2005, the Company discontinued all operations associated with its DIFOTI product. Under an exclusive sale and licensing agreement with KaVo Dental GmbH (“KaVo”) to further develop and commercialize DIFOTI, KaVo pays the Company an annual royalty based on the number of DIFOTI related systems sold per calendar year. Other income includes approximately $149 and $20 in royalty income in the years ended December 31, 2014 and 2013, respectively.