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Debt (Details Textual) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2013 Contract | Mar. 31, 2012 | Dec. 03, 2010
Debt (Additional Textual) [Abstract] |  |  |
Short-term borrowings outstanding | $ 0 | 0 |
Long-term debt payment requirements over the next five years | 0 |  |
Revolving credit facility [Member] |  |  |
Debt (Textual) [Abstract] |  |  |
Line of credit |  |  | 25,000
Maximum limit of credit facility |  |  | 50,000
Term period of agreement | 3 years |  |
Number of automatic one year extensions in term period | 2 |  |
Bank's prime rate | 3.25% | 3.25% |
Fix rate to reduce fee on outstanding | 0.55% |  |
Availability under the line of credit | 12,646 |  |
Maximum funded debt to EBITDA ratio | 3.5 |  |
Minimum earnings to interest ratio | 4.0 |  |
Maximum funded debt to EBITDA ratio under condition one | 2.0 |  |
Dividend pay amount | 25.00% |  |
Minimum funded debt to EBITDA ratio under condition two | 2.0 |  |
Assets book value | $ 85,591 |  |
Revolving credit facility [Member] | Maximum [Member] |  |  |
Debt (Textual) [Abstract] |  |  |
LIBOR plus a margin range | 2.00% |  |
Unused commitment fee for borrowing | 0.375% |  |
Fee for outstanding letters of credit | 1.25% |  |
Revolving credit facility [Member] | Minimum [Member] |  |  |
Debt (Textual) [Abstract] |  |  |
LIBOR plus a margin range | 1.00% |  |
Unused commitment fee for borrowing | 0.20% |  |
Fee for outstanding letters of credit | 0.75% |  |

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- Definition Book value of assets included in the consolidated balance sheet that have been pledged to secure borrowings under the credit facility. + References No definition available. + Details
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- Details
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- Definition The fixed rate fee for outstanding letters of credit that are secured by cash and cash equivalents. + References No definition available. + Details
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- Definition The fee, expressed as a percentage of the standby letter of credit amount, incurred for the issuance of a standby letter of credit. + References No definition available. + Details
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- Definition Line of credit facility bank prime rate. + References No definition available. + Details
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- Definition Line of credit facility basis spread on variable rate. + References No definition available. + Details
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- Definition Line of credit facility number of extensions for maturity period. + References No definition available. + Details
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- Definition Maximum funded debt to earnings before interest taxes depreciation and amortization ratio. + References No definition available. + Details
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- Definition Maximum funded debt to earnings before Interest taxes depreciation and amortization ratio under condition one. + References No definition available. + Details
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- Definition Minimum earnings before interest expense and income taxes to interest ratio. + References No definition available. + Details
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- Definition Minimum funded debt to EBITDA ratio under condition 2. + References No definition available. + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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