Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 25, 2016
Cash flows from operating activities:
Net income (loss)	$ 14,341	$ (3,239)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,214	1,397
Amortization of finite-lived intangibles	1,231	1,440
Amortization of debt issuance costs	38	38
Stock-based compensation	1,382	1,065
Change in the fair value of the contingent earn out	310	421
Changes in assets and liabilities
Accounts receivable	(20,078)	(7,479)
Inventories	(19,068)	(9,173)
Prepaid expenses and other	246	1,673
Deferred income taxes	(58)	393
Other non-current assets	(245)	(8)
Accounts payable	23,793	13,244
Accrued compensation and related benefits	2,908	(1,546)
Income taxes payable	2,149
Other liabilities	981	1,578
Net cash provided by (used for) operating activities	9,144	(196)
Cash flows from investing activities:
Purchases of equipment and leasehold improvements	(2,784)	(2,030)
Net cash used for investing activities	(2,784)	(2,030)
Cash flows from financing activities:
Proceeds from bank borrowings	1,000	1,637
Proceeds from issuance of common stock	1,383
Principal payments on bank borrowings	(4,697)	(3,566)
Employees’ taxes paid upon vesting of restricted stock units	(1,582)	(404)
Net cash used for financing activities	(3,896)	(2,333)
Effect of exchange rate changes on cash and cash equivalents	6	(5)
Net increase (decrease) in cash and cash equivalents	2,470	(4,564)
Cash and cash equivalents at beginning of period	52,465	50,103
Cash and cash equivalents at end of period	54,935	45,539
Supplemental cash flow information:
Income taxes paid	2,418	143
Income tax refunds	25	598
Interest paid	551	692
Non-cash investing activities:
Restricted stock issued	7,003	1,583
Equipment and leasehold improvements purchased included in accounts payable	$ 658	$ 146