Note A - Summary Of Significant Accounting Policies (Detail) (USD $)	3 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Other Nonoperating Income (Expense) (in Dollars)		$ 0	$ 3,000,000	$ (3,320,000)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability (in Dollars)	2,110,000
Initial Recognition Of The NPV Of The CPP [Member]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability (in Dollars)				$ 3,320,000
Building [Member]
Finite-Lived Intangible Asset, Useful Life		30 years
Building Improvements [Member]
Finite-Lived Intangible Asset, Useful Life		5 years
Computer Equipment [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life		3 years
Computer Equipment [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life		10 years