Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable - Accounts receivable, net (Details)

v3.10.0.1
Accounts Receivable - Accounts receivable, net (Details) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Trade receivables $ 198,265 $ 378,894
Other receivables 1,652 20,589
Gross accounts receivable 199,917 399,483
Allowance for doubtful accounts (29,125) (178,399)
Net accounts receivable $ 170,792 $ 221,084