CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (13,788)	$ (3,786)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	508	414
Amortization of intangible assets	165	0
Share-based compensation	189	446
Deferred tax expense (benefit)	58	289
Goodwill impairment	10,830	0
Inventory adjustment	104	300
Change in fair value of warrants and derivative liabilities	49	105
Fair value adjustment to contingent consideration	(301)	0
Incentive warrants expense	34	47
Other changes in operating assets and liabilities:
Accounts receivable, net	(36)	1,600
Prepaid and other assets	215	(318)
Trade accounts payable	(505)	802
Deferred revenue	(16)	588
Accrued severance liability and related costs	589	(1,694)
Accrued liabilities	476	3
Net cash used in operating activities	(1,429)	(1,204)
CASH FLOWS FROM INVESTING ACTIVITIES:
Business acquisition, net of cash acquired	(270)	0
Acquisition of property and equipment	(580)	(627)
Net cash used in investing activities	(850)	(627)
CASH FLOWS FROM FINANCING ACTIVITIES:
Secured borrowing	525	0
Repurchase of common stock	(85)	(104)
Issuance of common stock	19	50
Net cash provided by (used in) financing activities	459	(54)
Effect of exchange rate on cash and cash equivalents	(552)	(60)
Net decrease in cash and cash equivalents	(2,372)	(1,945)
Cash and cash equivalents, beginning of period	6,879	12,999
Cash and cash equivalents, end of period	4,507	11,054
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	129	126
Non-cash investing and financing transactions:
Accrued property and equipment additions	143	284
Change in fair value of warrants and derivative liabilities	$ 49	$ 105