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STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Jul. 01, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
NonVested Restricted Common Stock
 
Shares
 
Weighted
Average
Grant
Fair
Value
Balance, December 31, 2016
3,007,674

 
$
3.21

Granted
120,000

 
3.44

Forfeited
(18,800
)
 
2.59

Vested
(60,000
)
 
1.70

Balance, July 1, 2017
3,048,874

 
$
3.26

Stock-Based Compensation Expense
The following table summarizes stock-based compensation expense within each of the categories below as it relates to non-vested restricted common stock awards for the three and six months ended July 1, 2017 and June 25, 2016 (no tax benefits were recognized):
 
Three Months Ended
 
Six Months Ended
 
July 1, 2017
 
June 25, 2016
 
July 1, 2017
 
June 25, 2016
Cost of component revenues
$
159,081

 
$
147,403

 
$
263,174

 
$
289,937

Research and development
194,655

 
131,953

 
413,213

 
248,848

Selling, general and administrative
322,287

 
615,243

 
1,291,741

 
412,268

Total
$
676,023

 
$
894,599

 
$
1,968,128

 
$
951,053