Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Narrative) (Details)

v3.3.1.900
Fair Value Measurements (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Fair Value Measurements [Abstract]      
Contingent consideration at fair value $ 142,000    
Change in fair value of acquisition-related contingent consideration (20,636)   $ (43,898)
Transfers between levels $ 0 $ 0