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Note 5 - Stock-Based Compensation
3 Months Ended
Sep. 30, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
5.   Stock-Based Compensation

The Company maintains stock-based compensation plans which allow for the issuance of stock options to officers, other key employees of the Company, and to members of the Board of Directors.  The Company accounts for stock compensation using fair value recognition provisions.

During the three months ended June 30, 2011, options were exercised for the issuance of 15,000 shares.  During the three months ended September 30, 2010, options for 2,500 shares were granted to a director.  No other options were granted or exercised during the six-month periods ended September 30, 2011 and 2010.  During the three months ended September 30, 2011, options for 12,000 shares expired.  Stock-based compensation expense in the amount of $1,600 was recognized for the three-month period ended September 30, 2010 (none in 2011) and $1,469 and $1,600 for each of the six-month periods ended September 30, 2011 and 2010, respectively.  At September 30, 2011, there was no unrecognized compensation expense related to the stock options.