EQUITY (Tables)

12 Months Ended

Dec. 31, 2014

Class of Warrant or Right [Line Items]

Schedule of Share-based Compensation, Activity [Table Text Block]

A summary of the warrant and option activity is as follows:

	Number of		Weighted
	Options/Warrants		Average
	(in Shares)		Exercise Price
Warrants Outstanding January 1, 2013		594,285	$	25.90
Granted		3,652,669		6.61
Exercised		(858)		0.35
Forfeited or Expired		—		—
Warrants Outstanding, December 31, 2013		4,246,096		6.53
Exercisable, December 31, 2013		4,246,096	$	6.53
Warrants Outstanding, January 1, 2014		4,246,096	$	6.53
Granted		375,000		2.00
Exercised		—		—
Forfeited or Expired		—		—
Warrants Outstanding, December 31, 2014		4,621,096		6.16
Exercisable, December 31, 2014		4,621,096	$	6.16

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

Summary information regarding the warrants as of December 31, 2014 is as follows:

			Weighted Average
			Remaining
	Number Outstanding (in		Contractual Life
Exercise Price	shares)		(in years)
$0.35		70,726		3.65
$2.00		375,000		5.00
$2.19		171,450		3.89
$5.50		571,428		1.13
$6.87		3,266,778		3.66
$7.87		14,286		0.28
$8.75		142,857		3.04
$35.00		8,571		2.20
Exercisable, December 31, 2014		4,621,096

Equity Incentive Plans One [Member]

Class of Warrant or Right [Line Items]

Schedule of Share-based Compensation, Activity [Table Text Block]

A summary of the Company’s historical stock option plan activity as of December 31, 2014 is as follows:

					Shares		Shares		Options
Plan Name	Options Authorized		Options Granted		Exercised		Forfeited/Expired		Outstanding
2004		142,857		142,857		67,460		46,823		28,574
2005		142,857		142,857		10,000		58,572		74,285
2006		314,285		310,102		6,304		72,238		231,560
2007		28,571		25,714		—		4,285		21,429
2009		285,714		358,440		10,041		113,113		235,286
2013		906,291		413,225		—		45,550		367,675
Total		1,820,575		1,393,195		93,805		340,581		958,809

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Each option is estimated on the date of grant, using the Black-Scholes model and the following assumptions (all in weighted averages):

	2014			2013
Exercise price	$	1.42		$	2.43
Volatility		118	%		109	%
Risk-free interest rate		1.63	%		1.37	%
Expected dividend yield		0	%		0	%
Expected term (years)		6			6

Equity Incentive Plans Two [Member]

Class of Warrant or Right [Line Items]

Schedule of Share-based Compensation, Activity [Table Text Block]

A summary of the status of the Company’s stock option plans for the years ended December 31, 2014 and 2013 is as follows:

			Weighted
	Number of Options		Average
	(in Shares)		Exercise Price
Options Outstanding January 1, 2013		700,903	$	38.15
Granted		334,161		2.43
Exercised		—		—
Forfeited or Expired		(52,084)		13.16
Options outstanding, December 31, 2013		982,980		28.05
Exercisable, December 31, 2013		571,261	$	44.79
Options Outstanding, January 1, 2014		982,980	$	28.05
Granted		107,600		1.42
Exercised		—		—
Forfeited or Expired		(131,771)		15.87
Options outstanding, December 31, 2014		958,809		26.68
Exercisable, December 31, 2014		656,123	$	37.60

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

Summary information regarding the options outstanding and exercisable at December 31, 2014 is as follows:

	Outstanding						Exercisable
			Weighted Average
	Number		Remaining		Weighted		Number		Weighted
	Outstanding (in		Contractual Life		Average		Exercisable (in		Average
Range of Exercise Prices	shares)		(in years)		Exercise Price		shares)		Exercise Price
$1.05 – 8.05		474,610		8.41	$	2.94		204,695	$	4.73
8.40 – 23.80		223,074		5.06		14.74		190,303		14.74
35.00 – 70.00		235,277		1.19		68.83		235,277		68.83
122.50 – 288.75		25,848		2.02		181.98		25,848		181.98
		958,809						656,123