v2.4.0.6

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Comprehensive Loss
Balances at Apr. 30, 2009	$ 57,436	$ 26	$ 265,185	$ (207,446)	$ (329)
Balances (in shares) at Apr. 30, 2009		26,257
Increase (Decrease) in Stockholders' Equity
Issuance of common stock under employee stock plans	127		127
Issuance of common stock under employee stock plans (in shares)		156
Restricted stock issued, net of cancellations (in shares)		(20)
Value of warrant issued in conjunction with acquisition	35		35
Stock-based compensation expense	1,697		1,697
Comprehensive loss:
Unrealized gain on available for sale investment securities	329				329	329
Net loss	(14,878)			(14,878)		(14,878)
Total comprehensive loss	(14,549)					(14,549)
Balances at Apr. 30, 2010	44,746	26	267,044	(222,324)
Balances (in shares) at Apr. 30, 2010		26,393
Increase (Decrease) in Stockholders' Equity
Issuance of common stock under employee stock plans	113		113
Issuance of common stock under employee stock plans (in shares)		98
Restricted stock issued, net of cancellations (in shares)		85
Stock-based compensation expense	1,232		1,232
Shares traded for restricted stock taxes	(41)		(41)
Shares traded for restricted stock taxes (in shares)		(31)
Comprehensive loss:
Net loss	(8,402)			(8,402)		(8,402)
Total comprehensive loss	(8,402)					(8,402)
Balances at Apr. 30, 2011	37,648	26	268,348	(230,726)
Balances (in shares) at Apr. 30, 2011	26,545	26,545
Increase (Decrease) in Stockholders' Equity
Issuance of common stock under employee stock plans	159		159
Issuance of common stock under employee stock plans (in shares)		210
Restricted stock issued, net of cancellations (in shares)		4
Stock-based compensation expense	546		546
Comprehensive loss:
Net loss	(10,583)			(10,583)		(10,583)
Total comprehensive loss	(10,583)					(10,583)
Balances at Apr. 30, 2012	$ 27,770	$ 26	$ 269,053	$ (241,309)
Balances (in shares) at Apr. 30, 2012	26,759	26,759

Number of shares issued during the period related to Restricted Stock Awards for taxes.

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Value of stock related to Restricted Stock Awards issued for taxes during the period.

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This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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Increase in additional paid in capital due to warrants issued during the period. Includes also the proceeds of debt securities issued with detachable stock purchase warrants that are allocable to the warrants. These warrants qualify for equity classification and provide the holder with a right to purchase stock from the entity.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Gross appreciation or the gross loss in value of the total unsold securities, after tax, attributable to the parent entity.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Gross value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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