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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 30, 2017
Accounting Policies [Abstract]  
Schedule of Inventory, Current
Inventory consists of the following at December 30, 2017 and December 31, 2016:
 
2017
 
2016
Raw materials
$
2,070,153

 
$
1,986,491

Work-in-process
1,829,805

 
1,186,162

Finished goods
1,180,839

 
129,459

 
$
5,080,797

 
$
3,302,112

Schedule of Change in Asset Retirement Obligation
The Company recorded asset retirement obligations ("ARO") liabilities of $0.3 million and $0.2 million at December 30, 2017 and December 31, 2016, respectively. This represents the legal obligations associated with retirement of the Company’s assets when the timing and/or method of settling the obligation are conditional on a future event that may or may not be within the control of the Company. Changes in ARO liabilities for fiscal years 2017 and 2016 are as follows:
 
2017
 
2016
Beginning balance
$
246,922

 
$
298,463

Exchange rate change
22,955

 
(51,541
)
Ending balance
$
269,877

 
$
246,922

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
The following were not included in weighted-average common shares outstanding-diluted because they are anti-dilutive or performance conditions have not been met at the end of the period:
 
2017
 
2016
 
2015
Nonvested restricted common stock
2,629,274

 
3,007,674

 
2,192,016

Schedule of Accumulated Other Comprehensive Income (Loss)
The components of accumulated other comprehensive income are as follows:
 
Cumulative
Translation
Adjustment
 
Unrealized Holding
 Gain (Loss) on
Marketable
Securities
 
Accumulated Other
Comprehensive
Income
Balance as of December 27, 2014
$
1,534,075

 
$
1,592,164

 
$
3,126,239

Changes during year
(968,050
)
 
(1,386,415
)
 
(2,354,465
)
Balance as of December 26, 2015
566,025

 
205,749

 
771,774

Changes during year
814,017

 
(14,820
)
 
799,197

Balance as of December 31, 2016
1,380,042

 
190,929

 
1,570,971

Changes during year
1,851,664

 
142,144

 
1,993,808

Balance as of December 30, 2017
$
3,231,706

 
$
333,073

 
$
3,564,779