Condensed Consolidated Statements of Cash Flows $ in Thousands	9 Months Ended
	Sep. 23, 2016 USD ($)	Sep. 25, 2015 USD ($)
Cash flows from operating activities:
Net income	$ 98	$ 5,056
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,242	3,447
Amortization of finite-lived intangibles	4,318	4,042
Amortization of debt issuance costs	114	790
Stock-based compensation	4,040	2,607
Change in the fair value of the contingent earn out	1,405
Excess tax benefit from stock-based compensation	771	809
Changes in assets and liabilities, net of effects of acquisition:
Accounts receivable	(6,567)	7,416
Inventory	(16,185)	(11,071)
Prepaid expenses and other	1,249	(1,300)
Deferred income taxes	1,276	(196)
Other non-current assets	(26)	(12)
Accounts payable	12,342	(8,180)
Accrued compensation and related benefits	443	132
Income taxes payable	450	(809)
Other liabilities	1,412	1,712
Net cash provided by operating activities	9,382	4,443
Cash flows from investing activities:
Purchases of equipment and leasehold improvements	(5,460)	(5,196)
Disposal of equipment and leasehold improvements	34
Acquisition of business		(44,495)
Net cash used for investing activities	(5,426)	(49,691)
Cash flows from financing activities:
Proceeds from bank borrowings	4,523	76,981
Proceeds from issuance of common stock	500	2,307
Principal payments on bank borrowings	(11,016)	(51,509)
Payments of debt issuance costs		(611)
Excess tax benefit from stock-based compensation	(771)	(809)
Employees’ taxes paid upon vesting of restricted stock units		(331)
Net cash provided by (used for) financing activities	(6,764)	26,028
Effect of exchange rate changes on cash and cash equivalents	(25)	6
Net decrease in cash and cash equivalents	(2,833)	(19,214)
Cash and cash equivalents at beginning of period	50,103	78,997
Cash and cash equivalents at end of period	47,270	59,783
Supplemental cash flow information:
Income taxes paid	2,988	2,611
Income tax refunds	591
Interest paid	1,920	1,776
Non-cash investing activities:
Fair value of common shares issued for acquisition		17,661
Fair value of earn-out payments related to Miconex acquisition		1,280
Equipment and leasehold improvements purchased included in accounts payable	$ 483	$ 3,531