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Employee Stock Purchase Plan, Employee Contribution, Percent Of Employees' Gross Pay

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Employee Stock Purchase Plan, Exercise Price As A Percentage Of Fair Value

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Employee Stock Purchase Plan, Maximum Purchase In Calendar Year

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Employee Stock Purchase Plan, Maximum Purchase In Single Transaction, Shares

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Employee Stock Purchase Plan, Share Reserved For Future Issuance

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Employee Stock Purchase Plan, Shares Issued

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Share based payment award option forfeitures in period.

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Share based compensation arrangement by share based payment awards options vested in period total fair value.

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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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period 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, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The highest quantity of shares an employee can purchase under the plan per period.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Net number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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Share Based Awards (Details Textual) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended
Share Based Awards (Details Textual) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Aug. 11, 2014	Mar. 31, 2014	Oct. 31, 2005
Share Based Awards (Textual) [Abstract]
Outstanding options under 1998 and 2005 plan	1,711,676		1,711,676			1,370,101
Weighted-average grant date fair value per share of stock options			$ 3.50	$ 5.19
Options granted under 2005 plan			459,650
Compensation expense	$ 970,000	$ 707,000	$ 2,627,000	$ 1,832,000
Fair value of options vested	1,633,000			1,134,000
Employee Stock Option [Member]
Share Based Awards (Textual) [Abstract]
Total unrecognized compensation costs	5,023,000		5,023,000
Stock option recognized over weighted average period (in years)			3 years 4 months 22 days
Restricted Stock Units Award [Member]
Share Based Awards (Textual) [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number						64,571
Compensation expense			637,000	473,000
Total unrecognized compensation costs	1,000,000		1,000,000
Stock option recognized over weighted average period (in years)			1 year 3 months
Director Options [Member]
Share Based Awards (Textual) [Abstract]
Annualized forfeiture rate for employee options		0.00%		0.00%
Purchase Plan [Member]
Employee Stock Purchase Plan [Abstract]
Shares reserved for future grant	3,983,695		3,983,695		4,000,000
Maximum percentage of gross payroll deduction					15.00%
Purchase price as a percentage of fair market value					90.00%
Maximum shares purchase in a single transaction					1,500
Maximum amount purchased in a calendar year					25,000
Shares issued	16,305		16,305
2005 Stock Options Plan [Member]
Share Based Awards (Textual) [Abstract]
Common stock reserved							4,800,000
Outstanding options under 1998 and 2005 plan	1,711,676		1,711,676
Shares available for future grants	2,222,988		2,222,988
2005 Stock Options Plan [Member] \| Restricted Stock Units Award [Member]
Share Based Awards (Textual) [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	78,872		78,872
2005 Stock Options Plan [Member] \| Employee Option [Member]
Share Based Awards (Textual) [Abstract]
Expiration period (in years)			8 years
Vesting period (in years)			5 years
Employee Stock Option [Member] \| 2005 Stock Options Plan [Member]
Share Based Awards (Textual) [Abstract]
Expiration period (in years)			10 years
Employee Stock Option [Member] \| 2005 Stock Options Plan [Member] \| Executive Officer [Member]
Share Based Awards (Textual) [Abstract]
Expiration period (in years)			8 years
Vesting period (in years)			5 years
Maximum number of shares per employee (in shares)			105,000
Performance Based Award [Member]
Share Based Awards (Textual) [Abstract]
Compensation expense	$ 345,000
Performance Based Award [Member] \| 2005 Stock Options Plan [Member] \| Executive Officer [Member]
Share Based Awards (Textual) [Abstract]
Vesting period (in years)			3 years
Maximum number of shares per employee (in shares)			170,000