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5. Inventories (Details-Reserve) (USD $)
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12 Months Ended | |
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Mar. 31, 2014
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Mar. 31, 2013
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| Inventory Disclosure [Abstract] | ||
| Reserve for obsolete inventory, beginning balance | $ 170,000 | $ 105,000 |
| Additions charged to cost of product revenues | 6,000 | 85,000 |
| Deductions write-offs | (129,000) | (20,000) |
| Reserve for obsolete inventory, ending balance | $ 47,000 | $ 170,000 |
| X | ||||||||||
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- Definition
The increase (decrease) during the reporting period in the book value of finished goods inventory and work in process inventory. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of valuation reserve for inventory. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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