Share Based Payment (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

	Three Months Ended  September 30,		Nine Months Ended  September 30,
	2012	2011	2012	2011
Selling, general and administrative	$ 113	$  170	$  308	$  1,153
Research and development	21	12	56	204
Total stock-based compensation expense	$ 134	$  182	$  364	$ 1,357

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

	Options	Weighted Average Exercise Price	Weighted Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value
Outstanding at December 31, 2011	301,634	$ 18.57
Granted	506,895	$   2.92
Forfeited	(41,175)	$   3.06
Expired	(11,368)	$ 78.97
Outstanding at September 30, 2012	755,986	$   8.01	8.69	$18,823
Exercisable at September 30, 2012	286,101	$ 16.40	7.46	─

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

	2012	2011
Expected volatility	84.4%	77.4%
Risk-free interest rate	1.1%	2.0%
Dividend yield	─	─
Expected life in years	5.96	5.25
Weighted average grant date fair value	$2.07	$3.66

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Shares	Weighted Average Grant Date Fair Value	Aggregate Intrinsic Value
Non-vested share units at December 31, 2011	25,238	$ 5.64
Granted	172,147	$ 2.91
Vested	(12,508)	$ 5.50
Forfeited	(17,312)	$ 3.34
Non-vested share units at September 30, 2012	167,565	$ 3.08	$ 7,123