Note 13 - Stockholders' Equity (Details) (USD $)	3 Months Ended
Jun. 30, 2012
Warrants not included in the calculation of diluted earnings per share	4,000,000
Options exercised	800,000
Exercise price of options	$ 0.1
Common Stock, Additional Series, Shares, Issued	800,000

Total number of additional series of common shares of an entity that have been sold or granted to shareholders (includes related common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

No definition available.

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