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STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2015
STOCK-BASED COMPENSATION  
Schedule of assumptions used to estimate the fair values of the stock options granted

 

 

 

Three Months
Ended

 

 

 

March 31, 2015

 

Risk-free interest rate

 

1.8 

%

Expected volatility

 

68.4 

%

Expected life (in years)

 

6.9 

 

Forfeiture rate

 

5.0 

%

Dividend yield

 

 

Weighted-average estimated fair value of options granted during the period

 

$

0.99 

 

 

Summary of stock options activity

 

 

Options Outstanding

 

 

 

Number
of
Shares

 

Weighted-
Average
Exercise
Price

 

Weighted-
Average
Remaining
Contractual
Term
(in years)

 

Weighted-
Average
Grant-Date
Fair Value

 

Aggregate
Intrinsic
Value(1)

 

Balance at December 31, 2014

 

 

$

 

 

$

 

$

 

Options granted

 

1,964,665

 

$

1.52

 

 

$

0.99

 

$

(177

)

Exercised

 

 

$

 

 

$

 

$

 

Canceled/forfeited

 

 

$

 

 

$

 

$

 

Balance at March 31, 2015

 

1,964,665

 

$

1.52

 

9.86

 

$

0.99

 

$

(177

)

Vested and exercisable as of March 31, 2015

 

1,964,665

 

$

1.52

 

9.86

 

$

0.99

 

$

(177

)

Vested and exercisable as of March 31, 2015 and expected to vest thereafter

 

1,788,135

 

$

1.52

 

9.86

 

$

0.99

 

$

(161

)

 

 

(1)

The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying awards and the closing stock price of $1.43 of the Company’s common stock on March 31, 2015.

Summary of restricted common stock activity

 

 

 

 

Unvested
Restricted Shares

 

 

 

Number of
Shares

 

Weighted-
Average
Grant-Date
Fair Value

 

Unvested at December 31, 2014

 

7,379

 

$

 

 

Granted

 

7,561

 

$

 

Vested

 

(7,561

)

$

 

Canceled

 

 

$

 

Unvested at March 31, 2015

 

7,379

 

$

 

 

Expected to vest after March 31, 2015

 

7,379

 

$

 

 

 

Schedule of stock-based compensation expense

 

 

 

 

Three Months Ended
March 31,

 

 

 

2015

 

2014

 

Cost of sales

 

$

 

$

 

Selling, general and administrative expense

 

$

153 

 

$

613 

 

Research and development expense

 

$

 

$

 

Total stock-based compensation expense

 

$

153 

 

$

613 

 

Total option exercise recognized tax benefit

 

$

 

$