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Note 5 - Loan Payable: (Detail) (USD $)
3 Months Ended 60 Months Ended 72 Months Ended
Sep. 30, 2012
Aug. 12, 2010
Sep. 30, 2012
Pennvest Loan [Member]
Sep. 30, 2011
Pennvest Loan [Member]
Dec. 31, 2013
Pennvest Loan [Member]
Dec. 31, 2019
Pennvest Loan [Member]
Construction Loan   $ 7,800,000 $ 7,754,000      
Debt Instrument, Interest Rate During Period         2.547% 3.184%
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 574,000          
Long-term Debt, Maturities, Repayments of Principal in Year Two 704,000          
Long-term Debt, Maturities, Repayments of Principal in Year Three 723,000          
Long-term Debt, Maturities, Repayments of Principal in Year Four 741,000          
Long-term Debt, Maturities, Repayments of Principal in Year Five 760,000          
Long-term Debt, Maturities, Repayments of Principal after Year Five 4,252,000          
Interest Expense, Debt     49,374 45,644    
Interest Costs Capitalized     $ 15,793 $ 43,650