Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) (USD $)	1 Months Ended			3 Months Ended	6 Months Ended
	Jun. 30, 2014	Oct. 31, 2013	Oct. 30, 2012	Mar. 31, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jul. 31, 2013	Dec. 31, 2012
Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Net Income (Loss) Attributable to Parent					$ (9,209,000)	$ (11,900,000)
Working Capital	4,700,000				4,700,000
Net Cash Provided by (Used in) Operating Activities					(6,557,000)	(10,551,000)
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
Cash and Cash Equivalents, at Carrying Value	5,311,000				5,311,000	7,219,000	11,887,000		1,685,000
Secured Debt Or Convertible Notes, Number Of Cash Payments Due					0
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
Term Loan [Member]
Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Debt Instrument, Face Amount				66,000,000
October 2013 Additional Debt Facility [Member] | Senior Lender [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