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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 31, 2011
Subsequent Events [Abstract]
Subsequent Events	Note 10 - Subsequent Events On February 23, 2012, Delta completed the agreement with VOMF pursuant to which VOMF converted 3,769,626 shares of Delta's preferred stock, constituting all of Delta's outstanding preferred stock, into 3,769,626 shares Delta's common stock, and waived all accrued stock dividends payable on the preferred stock.