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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 27, 2016
Mar. 29, 2015
OPERATING ACTIVITIES:    
Net income $ 281 $ 523
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation 589 596
Amortization of intangible assets 137 60
Amortization of financing fees 19 18
Stock-based compensation 181 144
Deferred income tax benefit 42 55
Loss on long-lived asset disposals   36
Changes in operating assets and liabilities:    
Accounts receivable (2,407) (392)
Inventories (1,138) 1,326
Prepaid expenses and other assets 41 (202)
Accounts payable and other liabilities (620) 996
Net cash provided by (used in) operating activities (2,875) 3,160
INVESTING ACTIVITIES:    
Acquisition of Accutronics, net of cash acquired (9,857)  
Cash paid for property, equipment and improvements (69) (470)
Change in restricted cash   16
Net cash used in investing activities (9,926) (454)
FINANCING ACTIVITIES:    
Cash paid to repurchase treasury stock   (336)
Proceeds from debt borrowings 1,156  
Return of security deposit   49
Proceeds from stock option exercise 14 8
Net cash provided by (used in) financing activities 1,170 (279)
Effect of exchange rate changes on cash and cash equivalents (3) (5)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS (11,634) 2,422
Cash and cash equivalents, beginning of period 14,393 17,711
Cash and cash equivalents, end of period $ 2,759 $ 20,133