Note 5 - Stockholders' Equity (Details)	Dec. 31, 2013	Dec. 31, 2012
Note 5 - Stockholders' Equity (Details) [Line Items]
Capital Units, Authorized	135,000,000
Preferred Stock, Shares Authorized	20,000,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	279,200
Common Class A [Member]
Note 5 - Stockholders' Equity (Details) [Line Items]
Common Stock, Shares Authorized	15,000,000	15,000,000
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	5,000,000
Common Stock, Capital Shares Reserved for Future Issuance	1,000,000	1,000,000
Common Class B [Member]
Note 5 - Stockholders' Equity (Details) [Line Items]
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock, Capital Shares Reserved for Future Issuance	7,431,473	7,892,742