Note 2 - Britewater International, Inc. (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	$ (2,543,000)	$ (3,466,000)
Net Income (Loss) Attributable to Noncontrolling Interest (in Dollars)		(327,000)
Noncontrolling Interest, Ownership Percentage by Parent		100.00%	52.09%
Other Liabilities, Noncurrent	800,000	800,000
Percentage of Outstanding Units of BWI Purchased		47.91%
Stock Issued During Period, Shares, Acquisitions (in Shares)		32,156
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned		2,300,000
Stock Issued During Period, Value, Acquisitions		(20,000)
Britewater International, Inc [Member]
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	(1,900,000)	(1,300,000)
Net Income (Loss) Attributable to Noncontrolling Interest (in Dollars)		(327,000)
Approximation [Member]
Stock Issued During Period, Value, Acquisitions		$ 3,300,000