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Stockholders' Equity Schedule of Stock by Class (Details) (Common Stock [Member])
 9 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Common Stock [Member]
    
Class of Stock [Line Items]    
Common Stock Outstanding at May 1 5,615,750ttlo_CommonStockOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember		 5,265,750ttlo_CommonStockOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
Restricted Stock Activity 0ttlo_RestrictedStockActivity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember		 350,000ttlo_RestrictedStockActivity
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
Common Stock Outstanding at April 30 5,615,750ttlo_CommonStockOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember		 5,615,750ttlo_CommonStockOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember