Note 2 - Option Agreement (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Mar. 20, 2012	Dec. 31, 2011
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners					5.00%
Noncontrolling Interest, Ownership Percentage by Parent					96.00%
Increase In Shares Covered By Option					10.00%
Open Option Contracts Written, Exercise Price (in Dollars per Item)					1
Marketing Expense (in Dollars)	$ 593,000	$ 565,000	$ 1,179,000	$ 1,085,000
Other Liabilities, Noncurrent (in Dollars)	152,000		152,000			140,000
Option Expense [Member]
Marketing Expense (in Dollars)			18,000
Other Liabilities, Noncurrent (in Dollars)	$ 18,000		$ 18,000