Stockholder's Equity (Details 4) (USD $)	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014
The Plan
Retirement Plans
Maximum employer contribution as a percentage of participant's compensation	50.00%
Discretionary annual contributions made to the Plan	$ 0	$ 0
The Plan \| Maximum
Retirement Plans
Employer contribution as a percentage of participant's compensation	4.00%
RDUKL Plan
Retirement Plans
Amount contributed by employer	$ 50,000	$ 53,000
RDUKL Plan \| Minimum
Retirement Plans
Employer contribution as a percentage of participant's compensation	3.00%
RDUKL Plan \| Maximum
Retirement Plans
Employer contribution as a percentage of participant's compensation	8.00%

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The amount of the cost recognized during the period for defined contribution plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

+ Details

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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