Quarterly report pursuant to Section 13 or 15(d)

Revenues - Narrative (Details)

v3.19.3
Revenues - Narrative (Details)
9 Months Ended
Sep. 30, 2019
USD ($)
Revenue from Contract with Customer [Abstract]  
Decrease in deferred revenue balance $ 23,725
Deferred revenue 153,793
Payments received in advance of satisfying performance obligations 1,861,612
Deferred revenue, revenue recognized in period $ 1,885,337