Stock-Based Compensation Restricted Stock Units (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	$ 2,618	$ 4,609	$ 448
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	3 years
Balance at (in shares)	889	188	92
Granted (in shares)		959	106
Vested (in shares)	(251)	(5)
Forfeited (in shares)	(50)	(253)	(10)
Balance at (in shares)	588	889	188
Balance at, Weighted Average Grant Date Fair Value (usd per share)	$ 4.53	$ 4.36	$ 4.47
Granted, Weighted Average Grant Date Fair Value (usd per share)		$ 4.57	$ 4.26
Vested, Weighted Average Grant Date Fair Value (usd per share)	$ 4.55	$ 4.59
Forfeited, Weighted Average Grant Date Fair Value (usd per share)	$ 4.56	$ 4.58	$ 4.39
Balance at, Weighted Average Grant Date Fair Value (usd per share)	$ 4.51	$ 4.53	$ 4.36
Unearned compensation	1,340
Compensation expense	$ 1,322	$ 829	$ 236

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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

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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect during the reporting period as a result of the occurrence of a terminating event specified in the contractual agreement of the plan.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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