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Inventories (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
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Mar. 31, 2012
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|---|---|---|
| Components of inventories | ||
| Raw material | $ 7,321 | $ 5,290 |
| Finished goods and sub-assemblies | 6,224 | 6,095 |
| Reserve for excess and obsolete inventory and net realizable value | (2,038) | (1,479) |
| Total inventory | $ 11,507 | $ 9,906 |
| X | ||||||||||
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- Definition
Amount before last-in first-out (LIFO) and valuation reserves of merchandise or goods held by the entity that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying amount (lower of cost or market) as of the balance sheet date of inventories less all valuation and other allowances. Excludes noncurrent inventory balances (expected to remain on hand past one year or one operating cycle, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross amount of unprocessed items to be consumed in the manufacturing or production process. Also includes purchased parts that will be used as components of a finished product. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The amount of the valuation account as of the balance sheet date which reduces the carrying amount of inventory to net realizable value; takes into consideration such factors as market value, excessive quantities based on expected sales, technological obsolescence, and shrinkage. May also provide for estimated product returns or price concessions pertaining to product cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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