Stock Awards (Tables)

9 Months Ended

Sep. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

				Stock Options					Restricted Stock
							Weighted					Weighted
	Shares			Number of			Average		Number of			Average
	Available			Options			Exercise		Shares			Grant-Date
	For Grant			Outstanding			Price		Outstanding			Fair Value
Balance at January 1, 2013		29,503			114,896		$	41.67		72		$	13.91
Granted		(18,861	)		18,861		$	4.95		—		$	—
Vested		—			—		$	—		(72	)	$	13.91
Forfeited		4,617			(4,617	)	$	9.98		—		$	—
Canceled		2,385			(5,196	)	$	118.82		—		$	—
Balance at September 30, 2013		17,644			123,944		$	34.01		—		$	—

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

	Nine Months Ended September 30,
	2013		2012
Risk-free interest rate	0.71% - 1.22%	0	0.71% - 1.14%
Expected term	4.75 Years		4.75 Years
Expected volatility	96.73% - 108.14%		65.02% - 98.80%
Dividend yield	0%		0%