Rendering

Component: (Network and Table)
Network
100380 - Disclosure - Stockholders' Equity (Tables)
(http://www.amsc.com/20160331/taxonomy/role/DisclosureStockholdersEquityTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000880807 (http://www.sec.gov/CIK)
Stockholders Equity Note [Abstract]Period [Axis]
2015-04-01 - 2016-03-31
Stockholders Equity Note [Abstract]
 
Components of Employee Stock-Based Compensation

The components of employee stock-based compensation for the years ended March 31, 2016, 2015 and 2014 were as follows (in thousands):

 

 

Fiscal years ended March 31,

 

 

2016

 

 

2015

 

 

2014

 

Stock options

$

663

 

 

$

1,851

 

 

$

2,730

 

Restricted stock and stock awards

 

2,574

 

 

 

4,063

 

 

 

7,936

 

Employee stock purchase plan

 

11

 

 

 

22

 

 

 

30

 

Total stock-based compensation expense

$

3,248

 

 

$

5,936

 

 

$

10,696

 

 

  
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, 2016, 2015 and 2014 (in thousands):

 

 

Fiscal years ended March 31,

 

 

2016

 

 

2015

 

 

2014

 

Cost of revenues

$

274

 

 

$

719

 

 

$

1,002

 

Research and development

 

418

 

 

 

1,728

 

 

 

2,751

 

Selling, general and administrative

 

2,556

 

 

 

3,489

 

 

 

6,943

 

Total

$

3,248

 

 

$

5,936

 

 

$

10,696

 

 

  
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:

 

 

 

 

 

 

 

 

 

 

Weighted-

 

 

 

 

 

 

 

 

 

 

Weighted-

 

 

Average

 

 

 

 

 

 

 

 

 

 

Average

 

 

Remaining

 

 

Aggregate

 

 

 

 

 

Exercise

 

 

Contractual

 

 

Intrinsic Value

 

 

Options / Shares

 

 

Price

 

 

Term

 

 

(thousands)

 

Outstanding at March 31, 2015

 

380,940

 

 

$

84.57

 

 

 

 

 

 

 

 

 

Granted

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

Exercised

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/forfeited

 

(14,391

)

 

 

115.35

 

 

 

 

 

 

 

 

 

Outstanding at March 31, 2016

 

366,549

 

 

$

83.39

 

 

 

5.7

 

 

$

-

 

Exercisable at March 31, 2016

 

261,656

 

 

$

110.06

 

 

 

4.8

 

 

$

-

 

Fully vested and expected to vest at March 31, 2016

 

357,776

 

 

$

85.07

 

 

 

5.6

 

 

$

-

 

 

  
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, 2016, 2015, and 2014 are as follows:

 

 

Fiscal years ended March 31,

 

 

2016

 

2015

 

 

2014

 

Expected volatility

N/A

 

 

85.5

%

 

 

75.1

%

Risk-free interest rate

N/A

 

 

1.9

%

 

 

1.7

%

Expected life (years)

N/A

 

 

5.8

 

 

 

5.9

 

Dividend yield

None

 

None

 

 

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, 2016:

 

 

 

 

 

 

Weighted

 

 

Intrinsic

 

 

 

 

 

 

Average

 

 

Aggregate

 

 

 

 

 

 

Grant Date

 

 

Value

 

 

Shares

 

 

Fair Value

 

 

(thousands)

 

Outstanding at March 31, 2015

 

340,588

 

 

$

20.82

 

 

 

 

 

Granted

 

420,189

 

 

 

6.24

 

 

 

 

 

Vested

 

(262,984

)

 

 

14.56

 

 

 

 

 

Forfeited

 

(14,949

)

 

 

76.22

 

 

 

 

 

Outstanding at March 31, 2016

 

482,844

 

 

$

9.62

 

 

$

3,670