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Note 4 - Property, Plant and Equipment | 6 Months Ended
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Jun. 30, 2013
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment Disclosure [Text Block] |
4. | PROPERTY, PLANT AND EQUIPMENT
Major classes of property, plant and equipment consisted of the following:
|  | June 30, 2013 |  |  | December 31, 2012 |
Land |  | $ | 123 |  |  | $ | 123 |
Buildings and leasehold improvements |  |  | 7,402 |  |  |  | 7,381 |
Machinery and equipment |  |  | 46,552 |  |  |  | 46,606 |
Furniture and fixtures |  |  | 1,928 |  |  |  | 1,810 |
Computer hardware and software |  |  | 4,198 |  |  |  | 4,103 |
Construction in progress |  |  | 1,138 |  |  |  | 1,275 |
|  |  | 61,341 |  |  |  | 61,298 |
Less: Accumulated depreciation |  |  | 50,092 |  |  |  | 48,883 |
|  | $ | 11,249 |  |  | $ | 12,415 |
Depreciation expense for property, plant and equipment was $729 and $1,559 for the three and six month periods ended June 30, 2013, respectively, and $824 and $1,660 for the three and six month periods ended July 1, 2012, respectively. In the second quarter of 2013, we received a termination notice from the New York State Energy Research and Development Authority (“NYSERDA”) regarding our collaborative agreement to develop and demonstrate a large hybrid grid-connected energy storage system. Pursuant to the terms of the agreement, NYSERDA will reimburse us for certain construction and project research and development costs incurred through the date of termination. Construction costs are reflected in the property, plant and equipment, net line on our Condensed Consolidated Balance Sheets as of June 30, 2013 and December 31, 2012. Project research and development costs are reflected in the research and development line on our Condensed Consolidated Statements of Comprehensive Income (Loss) the three and six month periods ended June 30, 2013 and July 1, 2012. We plan to continue this project internally with smaller form batteries which provide greater opportunity and applicability in the markets we serve. However, due to the termination letter and the change in scope of the project, we performed a review of the details of costs capitalized in connection with this project to determine their future use. Those costs without an identifiable future use were written off in the second quarter of 2013 and totaled $56. The remaining capitalized costs were subjected to an impairment test based upon forecasted future cash flows, in accordance with current accounting guidance. No impairment was taken on the remaining capitalized costs.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13-14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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