3. Accounts Receivable, Net (Tables)

3 Months Ended

Mar. 31, 2019

Receivables [Abstract]

Schedule of accounts receivable

	March 31, 2019		December 31, 2018
Billed accounts receivable	$	484,752	$	419,802
Unbilled accounts receivable		272,110		703,691
Total accounts receivable	$	756,862	$	1,123,493