|**Note 6 - Accounts Payable and Accrued Expenses**               | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
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|**Payables and Accruals [Abstract]**                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Accounts Payable and Accrued Liabilities Disclosure [Text Block] | 6.ACCOUNTS PAYABLE AND ACCRUED EXPENSESAccounts payable and accrued expenses consist of the following (in thousands):December 31,2013
        
        
        2012Accounts payable
        
        $
        4,498
        
        
        $
        1,924Accrued salaries, and other employee benefits
        
        
        1,859
        
        
        
        529Accrued severance
        
        
        1,502
        
        
        
        47Accrued warranty (Note 14)
        
        
        118
        
        
        
        50Accrued medical costs
        
        
        136
        
        
        
        197Other
        
        
        1,127
        
        
        
        353$
        9,240
        
        
        $
        3,100
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|Accounts payable                                                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Accrued salaries, and other employee benefits                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Accrued severance                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Accrued warranty (Note 14)                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Accrued medical costs                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Other                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
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X- DefinitionThe entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.+ ReferencesReference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a -Article 5Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 24 -Article 5+ Details**Name:**
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