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