Convertible Preferred Stock And Stockholder's Equity (Tables)

12 Months Ended

Dec. 31, 2016

Convertible Preferred Stock And Stockholders' Equity [Abstract]

Summary Of Reserved Shares Of Common Stock

	December 31,	December 31,
	2016	2015
Warrants	38,963,443	2,120,365
Series A Convertible Preferred Stock Series	47,844,562	-
Stock award plans	1,524,996	731,442
Employee Stock Purchase Plan	192,290	231,298
	88,525,291	3,083,105

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, 2015	706,494	$1.45 - $116.40	$9.34
Granted	1,000	$1.55	$1.55
Exercised	-	-	-
Forfeited	(35,607)	$1.74 - $99.00	$19.79
Outstanding, December 31, 2016	671,887	$1.45 - $116.40	$8.77

Summary Of Options And Stock Appreciation Rights Outstanding By Range Of Exercise Price

	Year Ended December 31, 2016
							Number of		Weighted
			Weighted		Weighted		Options		Average Exercise
	Options		Average		Average		Currently		Price Per Vested
Range of Exercise Prices	Outstanding		Remaining Life		Exercise Price		Exercisable		Share
$0.00 - $10.00		581,142		7.67 years	$	3.07		338,284	$	3.26
$30.01 - $40.00		58,745		4.03 years	$	34.86		58,745	$	34.86
$40.01 - $50.00		12,250		2.44 years	$	43.90		12,250	$	43.90
$50.01 - $60.00		12,250		1.41 years	$	54.90		12,250	$	54.90
$90.01+		7,500		0.33 years	$	113.60		7,500	$	113.60
		671,887		7.06 years	$	8.77		429,029	$	12.15

Summary Of Restricted Stock Unit Activity

	Number of Restricted Stock Units	Weighted Average Grant Date Fair Value per Unit
Outstanding, December 31, 2015	752,008	$2.63
Granted	862,600	$0.84
Vested	(317,962)	$2.45
Forfeited	(129,547)	$1.51
Outstanding, December 31, 2016	1,167,099	$1.48