Nature of Business and Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2019

Nature of Business and Basis of Presentation [Abstract]

Inventories

Inventories consisted of the following:

( in thousands)	June 30, 2019		December 31, 2018
Finished Goods	$	465	$	517
Work in Process		96		34
Raw Materials		1,129		1,107
Total	$	1,690	$	1,658

Potential Shares of Common Stock not Included in Diluted Net Loss Per Share

The following table sets forth the potential shares of common stock that are not included in the calculation of diluted net loss per share because to do so would be anti-dilutive as of the end of each period presented:

	June 30
	2019		2018
Warrants to purchase common stock		5,430,721		608,787
Series G convertible preferred stock		550,842		-
Series F convertible preferred stock		102,185		20,740
Stock options		241,635		152,142
Restricted stock units		-		9
Total		6,325,383		781,678

Reconciliation of Reported Net Loss with Reported Net Loss Per Share

The following table reconciles reported net loss with reported net loss per share for the periods ended June 30, 2019:

(in thousands, except per share amounts)	Three months			Six months
Net loss	$	(4,430	)	$	(9,157	)
Deemed dividend to preferred shareholders (see Note 4)					(4,509	)
Net loss after deemed dividend		(4,430	)		(13,666	)
Weighted average shares outstanding		2,295			1,550
Basic and diluted loss per share	$	(1.93	)	$	(8.82	)