Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Summary of Stock-Based Compensation Expense (Details)

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Stockholders' Equity - Summary of Stock-Based Compensation Expense (Details) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense $ 35,318 $ 24,626
Cost of Revenue    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense 3,190  
General and Administrative    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense 21,820 18,500
Marketing and Selling    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense 2,949 4,900
Research and Development    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Stock-based compensation expense $ 7,359 $ 1,226