Stock-based compensation (Tables)

6 Months Ended

Jun. 30, 2014

Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range Text Block

	(Not in thousands)
Exercise price per share				Options outstanding	Weighted-average exercise price of options outstanding		Weighted-average remaining life of options outstanding in years	Options exercisable (fully vested)	Weighted-average exercise price of options exercisable
		$	272.00	44,797	$	272.00	0.63	44,797	$	272.00

Schedule Of Share Based Compensation Stock Options Activity Table Text Block

(Not in thousands)	Options Outstanding		Weighted-Average Exercise Price
Outstanding at December 31, 2012	160,986	$	222.71
Granted	-		-
Exercised	-		-
Forfeited	-		-
Expired	(60,549)		171.42
Outstanding at December 31, 2013	100,437	$	253.64
Granted	-		-
Exercised	-		-
Forfeited	-		-
Expired	(55,640)		238.85
Outstanding at June 30, 2014	44,797	$	272.00

Management Member

Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block]

(Not in thousands)	Restricted Stock		Weighted-Average Grant Date Fair Value
Non-vested at December 31, 2012	491,223	$	20.59
Granted	229,131		28.20
Vested	(131,324)		31.23
Forfeited	(3,783)		24.63
Non-vested at December 31, 2013	585,247	$	21.16
Granted	235,112		29.56
Vested	(295,267)		18.57
Forfeited	(6,116)		30.87
Non-vested at June 30, 2014	518,976	$	26.32

Director Member

Schedule of Unvested Restricted Stock Units Roll Forward [Table Text Block]

(Not in thousands)	Restricted Stock		Weighted-Average Grant Date Fair Value
Non-vested at December 31, 2012	-	$	-
Granted	20,930		29.43
Vested	(20,930)		29.43
Forfeited	-		-
Non-vested at December 31, 2013	-	$	-
Granted	18,733		30.16
Vested	(18,733)		30.16
Forfeited	-		-
Non-vested at June 30, 2014	-	$	-