Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

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

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

The following table summarizes stock option activities for the Company’s option plans for the nine months ended September 30, 2017 (amount in thousands, except per share number):

							Weighted Average Remaining
	Number of Shares		Weighted Average Exercise Price		Total Intrinsic Value		Contractual Life (in years)
Outstanding as of December 31, 2016		1,551	$	10.56	$	-		1.9
Granted		11,343		0.25		-		4.7
Forfeited/expired		(238)		9.90		-		-
Outstanding as of September 30, 2017		12,656	$	1.32		-		4.3
Options vested and exercisable		7,255	$	1.49	$	-		4.2

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

The following assumptions were used to compute the fair value of stock options granted during the nine months ended September 30, 2017:

	For the Nine Months
	Ended
	September 30, 2017
Exercise price	$	0.25
Expected term (years)		2.8
Expected stock price volatility		96	%
Risk-free rate of interest		2	%
Dividend yield (per share)		0	%