Note 10 - Stockholders' Equity (Details) (USD $)	Mar. 31, 2014	Mar. 31, 2013	May 14, 2014 Subsequent Event [Member]	Mar. 31, 2014 Series A Preferred Stock [Member]
Note 10 - Stockholders' Equity (Details) [Line Items]
Common Stock, Shares Authorized	4,000,000	4,000,000
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.25	$ 0.25
Stock Repurchase Program, Number of Shares Authorized to be Repurchased			750,000
Preferred Stock, Shares Authorized	50,000	50,000		5,000
Preferred Stock, Par or Stated Value Per Share (in Dollars per share)	$ 1.00	$ 1.00
Preferred Stock, Capital Shares Reserved for Future Issuance				3,000
Preferred Stock, Shares Issued	0