Stockholder's Equity (Tables)

12 Months Ended

Dec. 31, 2015

Stockholders' Equity [Abstract]

Summary Of Reserved Shares Of Common Stock

	December 31,	December 31,
	2015	2014
Warrants	2,120,365	2,197,883
Stock award plans	731,442	1,297,389
Employee Stock Purchase Plan	231,298	250,000
	3,083,105	3,745,272

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, 2014	487,146	$1.69 - $116.40		$17.21
Granted	353,350	$1.45 - $2.15		$2.07
Exercised	-	-	-
Forfeited	(134,002)	$1.45 - $91.90		$18.81
Outstanding, December 31, 2015	706,494	$1.45 - $116.40		$9.34

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

	Year Ended December 31, 2015
							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		607,749		8.67 years	$	3.07		136,827	$	4.07
$30.01 - $40.00		61,495		4.95 years	$	34.89		61,495	$	34.89
$40.01 - $50.00		12,250		3.44 years	$	43.90		12,250	$	43.90
$50.01 - $60.00		12,250		2.41 years	$	54.90		12,250	$	54.90
$90.01+		12,750		0.95 years	$	107.59		12,750	$	107.59
		706,494		8.00 years	$	9.34		235,572	$	22.43

Summary Of Restricted Stock Unit Activity

	Number of Restricted Stock Units	Weighted Average Grant Date Fair Value per Unit
Outstanding, December 31, 2014	697,751	$3.14
Granted	391,200	$2.04
Vested	(241,775)	$3.06
Forfeited	(95,168)	$2.82
Outstanding, December 31, 2015	752,008	$2.63