Note 6 - Loan Payable: (Detail) (USD $)	6 Months Ended				3 Months Ended		60 Months Ended	72 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2012	Aug. 12, 2010	Dec. 31, 2012 Pennvest Loan [Member]	Dec. 31, 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	98,747	93,527			49,373	47,883
Interest Costs Capitalized	$ 15,793	$ 89,540