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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 |  |  |  |  |  |  |

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