Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

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, 2012	785,986	$7.81	8.48
Granted	─
Forfeited /expired	─
Outstanding at March 31, 2013	785,986	$ 7.81	8.24	─
Exercisable at March 31, 2013	453,585	$  11.41	7.70	─

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

	2012
Expected volatility	85.4%
Risk-free interest rate	1.1%
Dividend yield	─
Expected life in years	5.96
Weighted average grant date fair value	$2.12

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, 2012	167,165	$ 3.08	─
Granted	254,411	$ 2.17	─
Vested	(48,605)	$ 2.21	─
Forfeited	(2,121)	$ 2.41	─
Non-vested share units at March 31, 2013	370,850	$ 2.94	─