Business Restructuring (Details) (USD $)	3 Months Ended	9 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Mar. 31, 2012	Mar. 27, 2012
Business Restructuring (Textual) [Abstract]
Restructuring reserve					$ 706,000
Costs related to severance	81,000	117,000	693,000
Reduction in restructuring accrual			11,000
Other accrued liabilities	$ 132,000		$ 132,000	$ 590,000

Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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Amount of consideration other than cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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- Definition

The charge against earnings in the period for known and estimated costs of termination benefits provided to current employees that are involuntarily terminated under a benefit arrangement associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding costs or losses pertaining to an entity newly acquired in a business combination or a discontinued operation as defined by generally accepted accounting principles and costs associated with one-time termination benefits.

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