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Note 3 - Basic and Diluted Loss Per Common Share
3 Months Ended
Jun. 30, 2011
Earnings Per Share [Text Block]
3.           Basic and Diluted Loss Per Common Share

Basic net loss per share is computed using the weighted-average number of common shares outstanding during the period. Diluted net loss per share is computed using the weighted-average number of common shares and potentially dilutive common shares outstanding during the period.  Potentially dilutive common shares consist of stock options and warrants. Common share equivalents which potentially could dilute basic earnings per share in the future, and which were excluded from the computation of diluted loss per share, as the effect would be anti-dilutive, totaled approximately 2.0 million and 1.9 million shares at June 30, 2011 and 2010, respectively.