CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 02, 2015	Sep. 26, 2014
Cash flows from operating activities:
Net loss	$ (1,676)	$ (780)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	216	376
Amortization of deferred pension costs	195	305
Pension settlement charge	3,620
Provision for excess and obsolete inventory	76
Other	72	294
Changes in assets and liabilities:
Decrease in restricted cash	111	289
Decrease (increase) in accounts receivable	(2,054)	726
Increase in inventories	(936)	(1,104)
Decrease (increase) in costs and estimated earnings in excess of billings on uncompleted contracts, net	(1,542)	516
Decrease (increase) in prepaid expenses and other assets	(76)	402
Increase (decrease) in accounts payable	315	(596)
Increase (decrease) in accrued liabilities	510	(21)
Decrease in accrued pension and retirement liabilities	(100)	(54)
Decrease in pension settlement obligation	(1,485)
Increase (decrease) in customer deposits	(79)	445
Decrease in deferred rent obligation	(318)
Net cash provided by (used in) operating activities	(3,151)	798
Cash flows from investing activities:
Purchases of property and equipment	(71)	(289)
Proceeds from sale of marketable securities		229
Net cash used in investing activities	(71)	(60)
Cash flows from financing activities:
Principal payments on long-term debt	(156)	(131)
Net cash used in financing activities	(156)	(131)
Net increase (decrease) in cash and cash equivalents	(3,378)	607
Cash and cash equivalents as of beginning of the period	7,038	3,376
Cash and cash equivalents as of end of the period	3,660	3,983
Supplemental disclosures of non-cash investing and financing activities:
Settlement of pension liability	35,870
Supplemental disclosures of cash flow information:
Cash paid during the period for: Interest	126	390
Cash paid during the period for: Income taxes	$ 12	$ 45