CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Oct. 02, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 3,660	$ 7,038
Restricted cash	600	711
Accounts receivable, net	6,598	4,586
Costs and estimated earnings in excess of billings on uncompleted contracts	3,045	1,699
Inventories, net	5,023	4,163
Prepaid expenses and deposits	773	635
Total current assets	19,699	18,832
Property and equipment, net	4,689	4,803
Goodwill	635	635
Intangible assets, net	37	68
Other assets	1,056	1,118
Total assets	26,116	25,456
Current liabilities:
Accounts payable	1,025	710
Accrued liabilities	1,652	1,142
Billings in excess of costs and estimated earnings on uncompleted contracts	4,980	5,176
Customer deposits	4,002	4,081
Current portion of retirement obligations	435	535
Current portion of pension settlement obligation	534
Current portion of long-term debt	197	2,362
Total current liabilities	12,825	14,006
Pension and retirement obligations, net of current portion	4,207	40,076
Pension settlement obligation, net of current portion	5,624
Long-term debt, net of current portion	2,009
Deferred rent obligation	1,759	2,077
Total liabilities	$ 26,424	$ 56,159
Commitments and contingencies
Stockholders' deficit:
Preferred stock, no par value: 10,000,000 shares authorized; no shares outstanding
Common stock, $0.20 par value: 30,000,000 shares authorized; 11,441,666 shares issued	$ 2,288	$ 2,288
Additional paid-in-capital	53,423	54,500
Common stock in treasury, at cost, 264,350 shares	(3,532)	(4,709)
Accumulated deficit	(50,833)	(49,157)
Accumulated other comprehensive loss	(1,654)	(33,625)
Total stockholders' deficit	(308)	(30,703)
Total liabilities and stockholders' deficit	$ 26,116	$ 25,456