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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012 | Mar. 31, 2011
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets | 4,300 | 5,100 |
Other Assets | 9,107 | 9,094 |
CAPITALIZATION OF COSTS OF SOFTWARE TO BE MADE AVAILABLE TO CUSTOMERS [Abstract] |  |  |
Capitalized software development costs for software sold to customers | 351 | 116 |
Capitalized for software sold to customers cost included in other assets | 642 | 382 |
GOODWILL AND INTANGIBLE ASSETS [Abstract] |  |  |
Reporting units | 4 |  |
Concentration Risk [Line Items] |  |  |
Concentration benchmark | 10.00% |  |
Product sales [Member] | Cisco [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Percentage of concentration risk (in hundredths) | 48.00% | 45.00% | 40.00%
Product sales [Member] | Hewlett Packard [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Percentage of concentration risk (in hundredths) | 11.00% | 15.00% | 19.00%
Total revenue [Member] | Large Telecommunications Company [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Percentage of concentration risk (in hundredths) | 14.00% |  |
Software capitalized for internal [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible assets | 171 | 600 |
Other Assets | 766 | 790 |
Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Technology hardware [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
Software [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 5 years |  |
Furniture, fixtures and equipment [Member] | Minimum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 5 years |  |
Furniture, fixtures and equipment [Member] | Maximum [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Telephone equipment [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 7 years |  |

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- Definition Unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products. Excludes capitalized costs of developing software for internal use. + References No definition available. + Details
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- Definition Unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products. Excludes capitalized costs of developing software for internal use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 86 -Paragraph 2, 5, 6, 11 -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. + Details
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