Nature of Operations, Basis of Presentation and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2019

Accounting Policies [Abstract]

Schedule of Computation of Net Loss Per Share

The following table presents the computation of net loss per share (in thousands, except share and per share data):

	Three Months ended June 30,						Six Months ended June 30,
	2019			2018			2019			2018
Numerator
Net loss	$	(2,780	)	$	(4,648	)	$	(5,338	)	$	(6,009	)
Preferred stock dividends	$	(357	)	$	(271	)	$	(739	)	$	(271	)
Net Loss allocable to common stock holders	$	(3,137	)	$	(4,919	)	$	(6,077	)	$	(6,280	)
Denominator
Weighted average common shares outstanding used to compute net loss per share, basic and diluted		10,860,049			10,821,230			10,811,138			10,672,082
Net loss per share of common stock, basic and diluted
Net loss per share	$	(0.29	)	$	(0.45	)	$	(0.56	)	$	(0.59	)

Schedule of Anti-dilutive Securities

Potentially dilutive securities not included in the calculation of diluted net loss per common share because to do so would be anti-dilutive are as follows:

	Three and Six Months Ended June 30,
	2019		2018
Stock options outstanding		4,992,807		1,122,457
Warrants		36,267,329		33,028,829
Series C Preferred Stock		68,000		68,000
Series D Preferred Stock		3,000		3,000
Series E Preferred Stock		34,780,000		34,990,000
Series F Preferred Stock		3,810,000		-
Total		79,921,136		69,212,286