CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jul. 03, 2015	Jun. 27, 2014
Cash flows from operating activities:
Net loss	$ (2,597)	$ (1,419)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	144	258
Amortization of deferred pension costs	195	43
Pension settlement	3,620
Provision for excess and obsolete inventory	33	204
Other	32	157
Changes in assets and liabilities:
Decrease in restricted cash	90	280
Decrease (increase) in accounts receivable	(1,072)	2,591
Increase in inventories	(949)	(842)
Decrease (increase) in costs and estimated earnings in excess of billings on uncompleted contracts, net	(2,996)	561
Decrease (increase) in prepaid expenses and other assets	(935)	143
Increase (decrease) in accounts payable	367	(386)
Increase in accrued liabilities	915	217
Decrease in accrued pension and retirement liabilities	(23)	(34)
Decrease in pension settlement obligation	(1,485)
Increase in customer deposits	70	533
Decrease in deferred rent obligation	(212)
Net cash provided by (used in) operating activities	(4,803)	2,306
Cash flows from investing activities:
Purchases of property and equipment	(27)	(100)
Proceeds from sale of marketable securities		229
Net cash provided by (used in) investing activities	(27)	129
Cash flows from financing activities:
Principal payments on long-term debt	(109)	(87)
Net cash used in financing activities	(109)	(87)
Net increase (decrease) in cash and cash equivalents	(4,939)	2,348
Cash and cash equivalents as of beginning of the period	7,038	3,376
Cash and cash equivalents as of end of the period	2,099	5,724
Supplemental disclosures of non-cash investing and financing activities
Settlement of pension liability	35,869
Supplemental disclosures of cash flow information:
Cash paid during the period for: Interest	93	260
Cash paid during the period for: Income taxes	$ 11	$ 39