Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

Stock-Based Compensation (Tables)

9 Months Ended

Dec. 31, 2017

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

The following table summarizes, by statement of operations line item, stock-based compensation expense for the Company’s three and nine months ended December 31, 2017 and 2016 (in thousands):


	Three Months Ended				Nine Months Ended
	December 31,				December 31,
	2017		2016		2017		2016
Cost of goods sold	$	—	$	16	$	38	$	45
Research and development		4		6		16		22
Selling, general and administrative		98		152		355		586
Stock-based compensation expense	$	102	$	174	$	409	$	653

Summary of stock option activity



				Weighted-
				Average
		Weighted-		Remaining	Aggregate
		Average		Contractual	Intrinsic
	Shares	Exercise Price		Term	Value
				(in years)
Options outstanding at March 31, 2017	314,537	$	15.48
Granted	—	$	—
Exercised	—	$	—
Forfeited, cancelled or expired	(97,590)	$	3.68
Options outstanding at December 31, 2017	216,947	$	20.79	3.0		—
Options fully vested at December 31, 2017 and those expected to vest beyond December 31, 2017	216,947	$	20.79	3.0		—
Options exercisable at December 31, 2017	216,947	$	20.79	3.0		—

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


	Three and Nine Months Ended
	December 31, 2016
Risk-free interest rates		1.3	%
Expected lives (in years)		5.7
Dividend yield		—	%
Expected volatility		133.9	%
Weighted average grant date fair value of options granted during the period	$	1.52

Summary of restricted stock unit and performance restricted stock unit activity


		Weighted
		Average Grant
		Date Fair
Restricted Stock and Performance Restricted Stock Units	Shares	Value
Nonvested restricted stock units outstanding at March 31, 2017	316,709	$	2.85
Granted	909,848		0.76
Vested and issued	(239,372)		2.63
Forfeited	(46,168)		1.79
Nonvested restricted stock units outstanding at December 31, 2017	941,017		0.94
Restricted stock units expected to vest beyond December 31, 2017	940,994	$	0.93

Schedule of additional information on restricted stock units


	Three Months Ended				Nine Months Ended
	December 31,				December 31,
	2017		2016		2017		2016
Restricted stock compensation expense (in thousands)	$	102	$	165	$	389	$	540
Aggregate fair value of restricted stock units vested and issued (in thousands)	$	19	$	25	$	156	$	132
Weighted average grant date fair value of restricted stock units granted during the period	$	0.89	$	0.91	$	0.76	$	1.64

Schedule of restricted stock award activity


	Three Months Ended				Nine Months Ended
	December 31,				December 31,
	2017		2016		2017		2016
Restricted stock awards compensation expense (in thousands)	$	—	$	1	$	3	$	102
Restricted stock awards granted		—		1,389		3,969		63,500
Weighted average grant date fair value of restricted stock awards granted during the period	$	—	$	0.90	$	0.63	$	1.56