Note 2 - Summary of Significant Accounting Policies (Details) (USD $)	0 Months Ended		1 Months Ended				12 Months Ended			61 Months Ended
	Mar. 05, 2013	Jan. 09, 2013	Oct. 31, 2013	Oct. 30, 2012	Oct. 31, 2012	Jan. 31, 2002	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2011	Jul. 31, 2013	Oct. 31, 2010	Jun. 30, 2006	May 31, 1988
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Net Income (Loss) Attributable to Parent							$ (22,677,000)	$ (19,574,000)	$ (16,837,000)
undefined	17,500,000						10,000,000
Net Cash Provided by (Used in) Operating Activities							(15,767,000)	(11,400,000)	(7,514,000)
Payments For Extension of Agreement							3,300,000
Proceeds from Convertible Debt										36,400,000
Private Placement, Term of Loan										five
Private Placement, Convertible Term Loan, Coupon Rate										0.00%
Line of Credit Facility, Maximum Borrowing Capacity												10,000,000
Proceeds from Lines of Credit	17,500,000			5,000,000	5,000,000
Debt Instrument, Face Amount													36,400,000
Outstanding Debt, Held in Convertible Bond Instrument	36,000,000
Proceeds from Issuance of Common Stock			10,000,000						15,129,000
Shelf Registration Value											40,000,000
Share-based Compensation		373,000					516,000	383,000	2,376,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)							0
Weighted Average Number Diluted Shares Outstanding Adjustment (in Shares)							7,012,000	2,996,000	2,655,000
Goodwill							3,813,000	3,813,000	3,813,000					7,006,000
Goodwill, Amortized portion						3,193,000
Common Stock, Shares, Issued (in Shares)					250,000		16,152,756	15,438,961
Common Stock, Value, Issued							161,000	154,000
Income Taxes Paid							5,700	10,000	6,500
General and Administrative Expense [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Share-based Compensation							500,000	400,000	2,400,000
Senior Lender [Member] | October 2013 Additional Debt Facility [Member]
Note 2 - 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 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Secured Debt	30,000,000
Term Loan [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Debt Instrument, Face Amount	$ 66,000,000
Minimum [Member] | Land Improvements and Buildings (Member)
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life							10 years
Minimum [Member] | Machinery and Equipment (Member)
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life							5 years
Maximum [Member] | Land Improvements and Buildings (Member)
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life							45 years
Maximum [Member] | Machinery and Equipment (Member)
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life							15 years