Capital Stock (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Notes to Financial Statements
Fair Value Of Stock Options Granted			$ 155	$ 269
Weighted Average Fair Value of Options			$ 4.40	$ 3.60
Intrinsic Value of Options Exercised			990	2
Cash Proceeds from Options Exercised			231	16
Fractional Shares of Outstanding Options	$ 105.8	$ 0	$ 105.8	$ 0
Weighted Average Reamining Contractual Life	$ 2.37	$ 0	$ 2.37	$ 0
Weighted Average Exercise Price	$ 13.67	$ 0	$ 13.67	$ 0
Exercise Price Range Low	$ 4.40	$ 0	$ 4.40	$ 0
Exercise Price Range High	$ 31.50	$ 0	$ 31.50	$ 0
Unrecognized Compensation Costs of Options	702	0	702	0
Weighted Average Period of Recognized Costs	2.8	2.9	1.8
Option Compensation Costs to be Recognized this Year			$ 185	$ 0
Aggregate Intrinsic Value of Outstanding Options	$ 3.0	$ 0	$ 3.0	$ 0
Aggregate Intrinsic Value of Exercisable Options	$ 1.9	$ 0	$ 1.9	$ 0