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Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - 9 months ended Sep. 29, 2018 - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Total
Balance (in shares) at Dec. 30, 2017 15,017,522       2,823,172  
Balance at Dec. 30, 2017 $ 751 $ 104,540 $ (2,395) $ (65,878) $ (14,987) $ 22,031
Issuance of stock under employee stock purchase plan (in shares) 90,877          
Issuance of stock under employee stock purchase plan $ 4 381       385
Translation adjustment     (177)     (177)
Share-based compensation expense   322       322
Net income       2,116   2,116
Balance (in shares) at Sep. 29, 2018 15,108,399       2,823,172  
Balance at Sep. 29, 2018 $ 755 $ 105,243 $ (2,572) $ (63,762) $ (14,987) $ 24,677