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Stockholders' Equity (Tables)

12 Months Ended

Mar. 31, 2017

Equity [Abstract]

Components of Employee Stock-Based Compensation

The components of employee stock-based compensation for the years ended March 31, 2017, 2016 and 2015 were as follows (in thousands):

	Fiscal years ended March 31,
	2017				2016				2015
Stock options	$	323			$	663			$	1,851
Restricted stock and stock awards	2,569				2,574				4,063
Employee stock purchase plan	—				11				22
Total stock-based compensation expense	$	2,892			$	3,248			$	5,936

Summary of Stock-Based Compensation Expense

The following table summarizes employee stock-based compensation expense by financial statement line item for the fiscal years ended March 31, 2017, 2016 and 2015 (in thousands):

	Fiscal years ended March 31,
	2017				2016				2015
Cost of revenues	$	185			$	274			$	719
Research and development	214				418				1,728
Selling, general and administrative	2,493				2,556				3,489
Total	$	2,892			$	3,248			$	5,936

Summary of Employee and Non-Employee Stock Options Activity

The following table summarizes the information concerning currently outstanding and exercisable employee and non-employee options:

	Options / Shares			Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value (thousands)
Outstanding at March 31, 2016	366,549			$	83.39
Granted	9,703			6.80
Exercised	—			—
Canceled/forfeited	(24,244	)		107.26
Outstanding at March 31, 2017	352,008			$	79.63			5.1		$	0.6
Exercisable at March 31, 2017	282,005			$	96.09			5.0		$	—
Fully vested and expected to vest at March 31, 2017	347,256			$	80.54			4.5		$	0.5

Schedule of Weighted Average Assumptions used in Black-Scholes Valuation Model for Stock Options Granted

The weighted average assumptions used in the Black-Scholes valuation model for stock options granted during the fiscal years ended March 31, 2017, 2016, and 2015 are as follows:

	Fiscal years ended March 31,
	2017			2016		2015
Expected volatility	67.6	%		N/A		85.5	%
Risk-free interest rate	1.3	%		N/A		1.9	%
Expected life (years)	5.7			N/A		5.9
Dividend yield	None			N/A		None

Summary of the Employee and Non-Employee Restricted Stock Activity

The following table summarizes the employee and non-employee restricted stock activity for the year ended March 31, 2017:

	Shares			Weighted Average Grant Date Fair Value				Intrinsic Aggregate Value (thousands)
Outstanding at March 31, 2016	482,844			$	9.62
Granted	171,000			10.23
Vested	(228,919	)		10.51
Forfeited	—			—
Outstanding at March 31, 2017	424,925			$	9.40			$	2,915

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Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.

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-Publisher FASB
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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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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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