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Inventory | 12 Months Ended
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Mar. 31, 2013
Inventory [Abstract] |
Inventory | 5. Inventory Inventory at March 31, 2013 and 2012 consisted of the following (in thousands):
|  | March 31, |  |  | March 31,
|  | 2013 |  |  | 2012
Raw materials | $ | 5,966 |  | $ | 9,962
Work-in-process |  | 3,427 |  |  | 2,390
Finished goods |  | 21,655 |  |  | 14,438
Deferred program costs |  | 2,425 |  |  | 2,466
Net inventory | $ | 33,473 |  | $ | 29,256
For the year ended March 31, 2013, the Company recorded an inventory write-down of approximately $2.2 million based on evaluating its ending inventory on hand for excess quantities and obsolescence. For the year ended March 31, 2012, the Company recorded an inventory write-down of approximately $4.4 million based on its evaluation of forecasted demand in relation to the inventory on hand and market conditions surrounding its products as a result of the assumption that Sinovel and certain other customers in China will fail to meet their contractual obligations under existing supply agreements and demand that was previously forecasted will fail to materialize. Deferred program costs as of March 31, 2013 and 2012 primarily represent costs incurred on programs accounted for under contract accounting where revenue and costs will be recognized when the Company completes the development programs, as well as D-VAR turnkey projects in fiscal 2011.

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- Definition The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a, b, c -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Section A -Paragraph 9 -Chapter 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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 210.5-02.6) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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