Quarterly report pursuant to Section 13 or 15(d)

Revenue - Activity in the deferred revenue account (Details)

v3.10.0.1
Revenue - Activity in the deferred revenue account (Details)
9 Months Ended
Sep. 30, 2018
USD ($)
Balance at December 31, 2017 $ 0
Deferral of revenue 96,786
Recognition of revenue (87,755)
Balance at September 30, 2018 $ 9,031