Acquisition (Details) (USD $)
9 Months Ended 0 Months Ended
Sep. 30, 2013
Jun. 21, 2013
Technology company
Jun. 21, 2013
Technology company
Minimum
Jun. 21, 2013
Technology company
Maximum
Acquisition        
Acquired stock (as a percent)   100.00%    
Aggregate purchase price   $ 259,000    
Cash payment 88,000 10,000    
Notes payable   74,000    
Exercise price of options to purchase shares of common stock (in dollars per share)   $ 11.28    
Estimated useful life of identifiable intangible assets     2 years 3 years
Future amortization expense of acquired identifiable intangible assets        
Remaining 2013   48,000    
2014   96,000    
2015   88,000    
2016   $ 40,000