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Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - 9 months ended Oct. 01, 2016 - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Total
Balance (in shares) at Jan. 02, 2016 14,559,381       2,062,746  
Balance at Jan. 02, 2016 $ 728,000 $ 114,331,000 $ (2,845,000) $ (69,646,000) $ (10,365,000) $ 32,203,000
Issuance of stock under employee stock purchase plan (in shares) 81,225          
Issuance of stock under employee stock purchase plan $ 4,000 364,000       368,000
Translation adjustment     398,000     398,000
Share-based compensation expense   614,000       614,000
Common stock repurchase (in shares)         357,250  
Common stock repurchase         $ (1,828,000) (1,828,000)
Net income       1,974,000   1,974,000
Balance (in shares) at Oct. 01, 2016 14,640,606       2,419,996  
Balance at Oct. 01, 2016 $ 732,000 $ 115,309,000 $ (2,447,000) $ (67,672,000) $ (12,193,000) $ 33,729,000