Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

Stock-Based Compensation (Tables)

3 Months Ended

Jun. 30, 2012

Summary of stock-based compensation expense by statement of operations line item

	Three Months Ended June 30, 2012		Three Months Ended June 30, 2011
Cost of goods sold	$	27	$	38
Research and development	75		81
Selling, general and administrative	236		301
Stock-based compensation expense	$	338	$	420

Schedule of weighted-average assumptions used to calculate the estimated fair value of each stock option

	Three Months Ended June 30, 2012		Three Months Ended June 30, 2011
Risk-free interest rates	—	%	1.98	%
Expected lives (in years)	—		5.0
Dividend yield	—	%	—	%
Expected volatility	—	%	89.2	%

Summary of stock option activity

	Shares		Weighted Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value
Options outstanding at March 31, 2012	10,039,651		$	1.41
Granted	—		—
Exercised	—		—
Forfeited, cancelled or expired	(128,996	)	2.15
Options outstanding at June 30, 2012	9,910,655		$	1.40	5.55	$	463,617

Options fully vested at June 30, 2012 and those expected to vest beyond June 30, 2012	9,848,088		$	1.40	5.53	$	463,409

Options exercisable at June 30, 2012	8,486,443		$	1.42	5.14	$	417,179

Summary of restricted stock unit activity

	Shares		Weighted Average Grant-Date Fair Value
Unvested restricted stock units outstanding at March 31, 2012	1,143,262		$	1.20

Granted	38,000		0.95
Vested and issued	(247,245	)	1.00
Forfeited	(3,288	)	1.20

Unvested restricted stock units outstanding at June 30, 2012	930,729		$	1.16
Restricted stock units expected to vest beyond June 30, 2012	864,127		$	1.16

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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