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Note 5 - Deferred Charges, Net (Detail) - Summary of Deferred Charges (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Balance $ 697,951 $ 599,374
Additions, deferred offering expenses   243,392
Amortization of loan arrangement fees (135,981) (144,815)
Deferred offering expenses reclassified to paid-in capital (243,392)  
Balance $ 318,578 $ 697,951