Summary of Significant Accounting Policies (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2019

Dec. 31, 2018

Accounting Policies [Abstract]

Schedule of Revenues and Receivable Major Customers

For the three months ended March 31, 2019 and 2018, the following customers accounted for the following percentages of the Company’s revenues, respectively:

Customer	2019			2018
A		17	%		1	%
B		12	%		5	%
C		12	%		5	%
D		7	%		13	%
E		7	%		15	%
Total		55	%		39	%

As of March 31, 2019 and December 31, 2018, the following customers accounted for the following percentages of the Company’s accounts receivable, respectively:

Customer	2019			2018
A		13	%		5	%
B		11	%		-	%
F		-	%		15	%
D		4	%		11	%
C		8	%		11	%
Total		36	%		42	%

For the year ended December 31, 2018 and 2017, the following customers accounted for the following percentages of the Company’s revenues, respectively:

Customer	2018			2017
A		11	%		13	%
B		11	%		20	%
C		10	%		1	%
Total		32	%		34	%

As of December 31, 2018 and December 31, 2017, the following customers accounted for the following percentages of the Company’s accounts receivable, respectively:

Customer	2018			2017
D		15	%		-	%
A		11	%		18	%
C		11	%		-	%
E		2	%		11	%
Total		39	%		29	%

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following potentially dilutive securities have been excluded from the computations of diluted weighted average shares outstanding as they would be anti-dilutive:

	March 31,
	2019		2018
Shares underlying warrants outstanding		6,642,344		7,099,010
Shares underlying options outstanding		7,495,128		6,474,527
Unvested restricted stock		444,313		753,528

The following securities have been excluded from the dilutive per share computation as they are antidilutive:

	December 31,
	2018		2017
Shares underlying options outstanding		7,434,561		6,770,777
Shares underlying warrants outstanding		6,642,344		7,099,010
Unvested restricted stock		449,043		799,387