Intangible Assets (Details) (USD $)	6 Months Ended
Sep. 30, 2013	Mar. 31, 2013
Intangible assets subject to amortization [Abstract]
Weighted Average Amortization Period	11 years
Gross Carrying Value	$ 7,274,000	$ 7,274,000
Accumulated Amortization	3,669,000	3,291,000
Trademarks [Member]
Intangible assets subject to amortization [Abstract]
Weighted Average Amortization Period	9 years
Gross Carrying Value	553,000	553,000
Accumulated Amortization	370,000	337,000
Customer Relationships [Member]
Intangible assets subject to amortization [Abstract]
Weighted Average Amortization Period	12 years
Gross Carrying Value	6,464,000	6,464,000
Accumulated Amortization	3,068,000	2,743,000
Non-compete Agreements [Member]
Intangible assets subject to amortization [Abstract]
Weighted Average Amortization Period	4 years
Gross Carrying Value	257,000	257,000
Accumulated Amortization	$ 231,000	$ 211,000

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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Balance Type:	debit
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