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Accrued Liabilities (Detail) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Schedule of Accrued Liabilities [Line Items]    
Royalties $ 470,047 $ 235,772
Interest 418,425 248,763
Rent 273,106 78,797
Payroll 115,593 119,937
Real estate taxes 83,569 8,962
Miscellaneous 28,349 21,163
Total accrued liabilities 1,541,326 896,740
Redeemable Preferred Stock
   
Schedule of Accrued Liabilities [Line Items]    
10% convertible preferred stock dividends $ 152,237 $ 183,346