Convertible Preferred Stock And Stockholder's Equity (Tables)

6 Months Ended

Jun. 30, 2017

Convertible Preferred Stock And Stockholders' Equity [Abstract]

Summary Of Option And Stock Appreciation Rights Activity

	Number of Options/SARs	Range of Exercise Price	Weighted Average Exercise Price per Share
Outstanding, December 31, 2016	671,887	$1.45 - $116.40	$8.77
Granted	10,000	$0.62	$0.62
Exercised	-	-	-
Forfeited	(36,002)	$2.15 - $116.40	$38.16
Outstanding, June 30, 2017	645,885	$0.62 - $54.90	$7.01

Summary Of Restricted Stock Unit Activity

	Number of Restricted Stock Units	Weighted Average Grant Date Fair Value per Unit
Outstanding, December 31, 2016	1,167,099	$1.48
Granted	30,000	$0.68
Vested	(515,737)	$1.76
Forfeited	(44,500)	$1.51
Outstanding, June 30, 2017	636,862	$1.21