XML 60 R47.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock-Based Compensation (Details) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Stock-based compensation expenses $ 426,950 $ 342,610
Total remaining unamortized stock-based compensation cost not yet recognized $ 993,039  
Total compensation cost not yet recognized, Period for recognition 2 years 7 months 28 days  
Cost of revenues    
Stock-based compensation expenses $ 64,834 40,929
Research and development    
Stock-based compensation expenses 104,205 74,810
Sales and marketing    
Stock-based compensation expenses 111,087 87,158
General and administrative    
Stock-based compensation expenses $ 146,824 $ 139,713