Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Details in the computation of basic and diluted loss per share are as follows:

	Three months ended  June 30,						Six months ended  June 30,
($ in thousands, except share and per share data)	2016			2015			2016			2015
Loss per share - basic:
Numerator for basic loss per share	$	(8,092	)	$	(6,756	)	$	(9,499	)	$	(15,281	)
Denominator for basic loss per share	43,898,785			40,889,732			43,898,785			40,875,704
Basic loss per common share	$	(0.18	)	$	(0.17	)	$	(0.22	)	$	(0.37	)
Loss per share - diluted:
Numerator for diluted loss per share	$	(8,092	)	$	(6,756	)	$	(9,499	)	$	(15,281	)
Adjust: Warrant revaluation income (expense) for dilutive warrants	—			—			1,958			—
Net loss attributable to common share	$	(8,092	)	$	(6,756	)	$	(11,457	)	$	(15,281	)
Denominator for basic loss per share	43,898,785			40,889,732			43,898,785			40,875,704
Plus: Incremental shares underlying dilutive warrants outstanding	—			—			36,034			—
Denominator for diluted loss per share	43,898,785			40,889,732			43,934,819			40,875,704
Diluted net loss per common share	$	(0.18	)	$	(0.17	)	$	(0.26	)	$	(0.37	)

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 their effect would be anti-dilutive: 

	Three months ended  June 30,		Six months ended  June 30,
	2016	2015	2016	2015
“In the money” stock options	216,000	1,482,614	545,500	1,518,957
“Out of the money” stock options	3,979,650	1,654,200	3,556,497	1,442,200
“In the money” warrants	—	1,201,698	—	1,201,698
“Out of the money” warrants	5,340,877	4,831,352	4,751,145	4,831,352
Other securities excluded from the calculation of diluted loss per share:
Stock options with performance condition	—	100,000	—	100,000