Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) (USD $)	1 Months Ended			3 Months Ended
	Mar. 31, 2014	Oct. 31, 2013	Oct. 31, 2012	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Jul. 31, 2013
Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Net Income (Loss) Attributable to Parent				$ (4,694,000)	$ (7,439,000)
Working Capital	7,100,000			7,100,000
Net Cash Provided by (Used in) Operating Activities				(4,434,000)	(6,722,000)
Outstanding Debt, Held in Convertible Bond Instrument					36,000,000
Proceeds from Lines of Credit			5,000,000
Proceeds from Issuance of Common Stock		10,000,000
Shelf Registration Value							40,000,000
Common Stock, Shares, Issued (in Shares)	16,172,239		250,000	16,172,239		16,152,756
Common Stock, Value, Issued	161,000			161,000		161,000
Fair Value of Assets Acquired	923,000
Land for Underground Aquifer [Member]
Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Proceeds from Lines of Credit					17,500,000
Senior Lender [Member] | October 2013 Additional Debt Facility [Member]
Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Common Stock, Shares, Issued (in Shares)		700,000
Common Stock, Value, Issued		2,400,000
Non-Convertible Secured Debt (Member)
Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Secured Debt					30,000,000
Term Loan [Member]
Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Debt Instrument, Face Amount					$ 66,000,000