Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2015

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

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

A summary of all current and expired plans as of September 30, 2015 and changes during the period then ended are presented in the following table:

Options

					Weighted Average
					Remaining Contractual		Aggregate
	Number of		Weighted Average		Life		Intrinsic Value
	Options		Exercise Price		(in years)		(in thousands)
Outstanding as of December 31, 2014		785,032	$	8.02		5.42	$	46
Granted		—		—		—		—
Exercised		—		—		—		—
Forfeited or expired		(14,431)		5.98		—		—
Outstanding as of September 30, 2015		770,601		8.06		4.61		43
Exercisable as of September 30, 2015		736,851	$	8.12		4.47	$	43

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

Restricted Stock

					Weighted Average
			Weighted Average		Remaining
			Fair Value at		Contractual Life
	Number of shares		Grant Date		(in years)
Unvested balance as of December 31, 2014		7,500	$	4.84		1.41
Granted		—		—		—
Vested		(3,750)		—		—
Unvested balance as of September 30, 2015		3,750	$	4.84		0.66

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

The following table summarizes the range of assumptions utilized in the Black-Scholes-Merton option-pricing model for the valuation of stock options granted during the nine-month periods ended September 30, 2015 and 2014.

	Nine-Month Period Ended September 30,
	2015						2014
Range of values	Low			High			Low			High
Expected volatility		71.85	%		80.91	%		73.03	%		76.27	%
Expected dividends		—			—			—			—
Expected term (in years)		4.78			8.11			3.73			9.11
Risk free rate		1.13	%		2.02	%		1.16	%		2.52	%