Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2014

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

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 (thousands)
Outstanding at December 31, 2013	714,712	$	7.17
Exercised	(97,172)	$	2.83
Cancelled	(79,504)	$	2.83
Outstanding at June 30, 2014	538,036	$	8.59	6.9	$	16
Exercisable at June 30, 2014	459,171	$	9.56	6.8	$	11

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

	Shares	Weighted Average Grant Date Fair Value
Nonvested at December 31, 2013 (1)	285,558	$	2.35
Granted	396,990	$	2.97
Vested	(91,090)	$	2.57
Forfeited	(128,575)	$	2.25
Nonvested units at June 30, 2014	462,883	$	2.87
(1) Includes 26,638 RSUs vested and unissued