Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details 6)

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Stockholders' Equity (Details 6)
0 Months Ended 12 Months Ended
Mar. 31, 2013
Oct. 31, 2013
March 2012
Mar. 31, 2014
March 2012
Mar. 31, 2012
March 2012
Mar. 31, 2012
September 2009
Mar. 31, 2014
September 2008
Mar. 31, 2013
September 2008
Mar. 31, 2012
September 2008
Mar. 31, 2012
January 2007
Shares                  
Balance at the beginning of period (in shares) 22,600,000   22,550,000   5,780,347 3,961,471 3,910,034 7,342,647 8,535,574
Issuance of warrants (in shares)       22,550,000          
Anti-dilution provision (in shares)             51,437 146,626  
Warrants exercised (in shares)   (4,700,000) (4,725,000)   (5,780,347)     (3,579,239) (7,298,234)
Warrants expired (in shares)     (17,825,000)     (3,961,471)     (1,237,340)
Balance at the end of period (in shares) 22,600,000     22,550,000     3,961,471 3,910,034