Stockholders' Equity (Tables)
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12 Months Ended |
Mar. 31, 2017 |
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| 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 fiscal years ended March 31, 2017 and 2016 (in thousands):
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Fiscal Year
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Ended March 31,
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2017
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2016
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Cost of goods sold
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$
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65
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$
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325
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Research and development
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29
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74
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Selling, general and administrative
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716
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2,171
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Stock-based compensation expense
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$
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810
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$
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2,570
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| Summary of stock option activity |
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Weighted-
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Average
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Weighted-
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Remaining
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Aggregate
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Average
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Contractual
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Intrinsic
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Shares
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Exercise Price
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Term
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Value
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(in years)
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Options outstanding at March 31, 2016
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467,631
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$
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22.68
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Granted
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88,930
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$
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1.70
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Exercised
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—
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$
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—
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Forfeited, cancelled or expired
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(242,024)
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$
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24.32
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Options outstanding at March 31, 2017
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314,537
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$
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15.48
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5.4
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—
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Options fully vested at March 31, 2017 and those expected to vest beyond March 31, 2017
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314,537
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$
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15.48
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5.4
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—
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Options exercisable at March 31, 2017
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225,607
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$
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20.92
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3.8
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—
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| Schedule of weighted-average assumptions used to calculate the estimated fair value of each stock option |
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Fiscal Year Ended
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March 31,
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2017
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2016
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Risk-free interest rates
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1.3
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%
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1.5
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%
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Expected lives (in years)
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5.7
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5.7
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Dividend yield
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—
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%
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—
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%
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Expected volatility
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133.9
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%
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59.0
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%
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Weighted average grant date fair value of options granted during the period
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$
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1.52
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$
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6.84
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| Summary of restricted stock unit activity |
The following table outlines the restricted stock and PRSU activity:
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Weighted
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Average Grant
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Date Fair
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Restricted Stock and Performance Restricted Stock Units
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Shares
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Value
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Nonvested restricted stock units outstanding at March 31, 2016
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256,787
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$
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6.53
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Granted
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230,439
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1.64
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Vested and issued
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(96,111)
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8.35
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Forfeited
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(74,406)
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4.65
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Nonvested restricted stock units outstanding at March 31, 2017
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316,709
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2.85
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Restricted stock units expected to vest beyond March 31, 2017
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316,686
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$
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2.85
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The following table provides additional information on restricted stock units for the Company’s fiscal years ended March 31, 2017 and 2016:
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Fiscal Year Ended
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March 31,
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2017
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2016
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Restricted stock compensation expense (in thousands)
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$
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686
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$
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891
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Aggregate fair value of restricted stock units vested and issued (in thousands)
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$
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132
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$
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346
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Weighted average grant date fair value of restricted stock units granted during the period
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$
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1.64
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$
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3.34
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| Schedule of warrant activity |
The following table outlines the warrant activity:
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Series A
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Series B
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Warrants
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Warrants
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Balance, March 31, 2016
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—
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—
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Issuance of warrants
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10,407,500
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8,215,000
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Warrants exercised
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—
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(8,215,000)
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Balance, March 31, 2017
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10,407,500
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—
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| Non-employee director |
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| Summary of restricted stock unit activity |
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Fiscal Year
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Ended March 31,
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2017
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2016
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Restricted stock awards compensation expense (in thousands)
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$
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104
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$
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431
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Restricted stock awards granted
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65,167
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305,725
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Weighted average grant date fair value of restricted stock awards granted during the period
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$
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1.59
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$
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1.41
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